Review. Knowledge. (d) The planet s gravitational force on satellite B is. half the gravitational force on satellite A.

Size: px
Start display at page:

Download "Review. Knowledge. (d) The planet s gravitational force on satellite B is. half the gravitational force on satellite A."

Transcription

1 CHAPTER 6 Review K/U Knowledge/Understanding T/I Thinking/Investigation C Communication A Application Knowledge For each question, select the best answer from the four alternatives. 1. Which of the following best describes the strength of the gravitational force on Earth due to your mass? (6.1) K/U (a) It is zero as long as you are standing on Earth s surface. (b) It is much greater than Earth s gravitational force on you because Earth s mass is so great. (c) It is equal to the magnitude of the force that Earth exerts on you. (d) It is negligible compared to the force of gravity on you because your mass is so small when compared to Earth s mass. 2. The gravitational force on a small rock sitting on a 20 m high cliff on Earth is F g. How does the gravitational force on the rock change if a hiker picks up the rock and carries it to a 200 m high cliff? (6.1) K/U (a) It will decrease by an insignificant amount. (b) It will decrease by about one-tenth. (c) It will decrease by about one-fourth. (d) It will decrease by about one-half. 3. What major obstacle did Henry Cavendish face when measuring the gravitational force between two objects on Earth? (6.1) K/U (a) The masses required had to be very small. (b) The gravitational force between the two masses was very small. (c) The distance between the two masses had to be extremely large. (d) The gravitational force between the two masses was extremely large. 4. Ball A, with mass m, is a distance d from ball B, which has a mass of 3m. At which of the following distances is the gravitational attraction of the balls on each other equal? (6.1) K/U (a) d 9 (b) d 3 (c) 2d 3 (d) any separation distance 5. Spherical planet A has mass m and radius r. Spherical planet B has mass m and radius 2r. How does the 2 gravitational field strength at the surface of planet B compare to the gravitational field strength at the surface of planet A? (6.1) K/U (a) It is the same as planet A. (b) It is twice that of planet A. (c) It is half that of planet A. (d) It is one-eighth that of planet A. 6. Two satellites are orbiting a planet at the same height above its surface. The mass of satellite A is m, and the mass of satellite B is 2m. What can you conclude about the planet s gravitational force on the satellites? (6.2) K/U (a) The planet s gravitational force on both satellites is the same. (b) The planet s gravitational force on satellite B is half the gravitational force on satellite A. (c) The planet s gravitational force on satellite B is twice the gravitational force on satellite A. (d) The planet s gravitational force on satellite B is four times the gravitational force on satellite A. 7. How does a planet s gravity help keep a satellite in a circular orbit? (6.2) K/U (a) It pulls the satellite in the same direction as its motion. (b) It pulls the satellite at an angle of 30 to its direction of motion. (c) It pulls the satellite at an angle of 60 to its direction of motion. (d) It pulls the satellite at an angle of 90 to its direction of motion. 8. To pinpoint the location of your vehicle within 15 m using a Global Positioning System (GPS), how many satellites signals must interact? (6.2) K/U (a) 1 (b) 2 (c) 3 (d) 4 9. Which of the following conditions are necessary to place a satellite in geosynchronous orbit? (6.2) K/U (a) a varying orbital velocity so that it maintains a constant position (b) a varying orbital radius so that it maintains a constant height above Earth (c) a constant period that is equal to the orbital speed of Earth about the Sun (d) a constant period that matches the revolution rate of Earth about its axis 312 Chapter 6 Gravitational Fields NEL

2 10. The period of a satellite is independent of (a) its own mass (b) the mass of the planet it orbits (c) the value of the gravitational constant (d) the orbital radius (6.2) K/U Indicate whether each statement is true or false. If you think the statement is false, rewrite it to make it true. 11. The gravitational constant, G, near the Moon is different than G near Earth. (6.1) K/U 12. The gravitational field around Earth at a fixed distance from its centre would be the same if Earth had half the radius but the same mass. (6.1) K/U 13. A book is surrounded by its own gravitational field. (6.1) K/U 14. Unlike most satellites, a geosynchronous satellite has a fixed position and does not orbit Earth. (6.2) K/U 15. In order for a satellite to stay in a uniform circular orbit, its speed must be constant. (6.2) K/U 16. The velocity of a satellite in uniform circular motion depends on the satellite s mass. (6.2) K/U 17. Satellites are useful for communication, astronomical observations, and atmospheric studies. (6.3) K/U 18. According to the theory of general relativity, gravity has no effect on light because light has no mass. (6.4) K/U 19. Gravitational lensing occurs when the gravitational field changes the direction of motion of a massive object. (6.4) T/I Match each term on the left with the most appropriate description on the right. 20. (a) satellite (i) a spacecraft in which people live and work (b) artificial (ii) an object or body that revolves satellite around another body (c) space station (iii) an object that has been intentionally placed by humans into orbit around Earth or another body (6.2) K/U Understanding 21. The gravitational force is inversely proportional to the square of the separation of two masses: F g ~ 1 r 2. Earth s gravitational pull on an object is defined as the object s weight. Explain why the weight of any object on Earth is not infinite, even though the distance between the object and Earth is zero. (6.1) T/I A 22. An Internet site states that the value of g on Earth is N/kg. Is this figure accurate for all places on Earth? Why or why not? (6.1) K/U T/I C 23. Relate the universal law of gravitation to Newton s third law of motion. (6.1) K/U C 24. Henry Cavendish conducted experiments to measure the force of gravity between two objects on Earth. In a short paragraph, summarize Cavendish s experimental setup and results. (6.1) K/U C 25. Explain why you do not feel the gravitational force between you and a car 5 m away, even though a car s mass is so great that you cannot lift it. (6.1) T/I 26. Every object is surrounded by a gravitational field. (6.1) K/U C (a) The unit of the gravitational field strength g is newtons per kilogram (N/kg). Explain how the unit of gravitational field strength relates to the unit of force. (b) How does g vary with distance? How does it vary with the object s mass? (c) Describe the direction of the gravitational field around a spherical object. 27. The universal law of gravitation describes the force of gravity between two bodies. What does it say about the strength of the gravitational field? How does the size of the object affect the use of the gravitational force equation? (6.1) K/U 28. Rank the following from least to greatest gravitational attraction on you. (6.1) T/I (a) a mass of 4m a distance of 2d away (b) a mass of 6m a distance of 5d away (c) a mass of 2m a distance of 3d away (d) a mass of m a distance of 2d away 29. A 68 kg spherical boulder is sitting 1.5 m from a 27 kg spherical rock. What is the gravitational force between the boulder and the rock? (6.1) K/U 30. A traffic officer is standing 4.5 m from a 1200 kg pickup truck. The gravitational force between the officer and the truck is N. What is the officer s mass? (6.1) T/I A 31. In 2005, the space probe Deep Impact launched a 370 kg projectile into Comet Tempel 1. Observing the collision helped scientists learn about the comet s characteristics. The comet is estimated to have a mass of about kg. (6.1) K/U T/I (a) Assuming the estimated mass of the comet at that time was correct, at what distance from the comet s centre was the gravitational force between the comet and the projectile 32 N? (b) What was the magnitude of the gravitational force between the comet and the projectile at a distance of 350 m? (c) Deep Impact also released a probe to fly by the comet and record images of the collision. Determine the strength of the comet s gravitational field at the probe s distance of km from the comet. NEL Chapter 6 Review 313

3 32. Which is a more important factor in order for a satellite to remain in orbit at a certain distance above Earth s surface: the speed or the mass of the satellite? Explain your answer. (6.2) T/I A 33. Two identical satellites are orbiting different planets at the same orbital radius, but one planet has twice the mass of the other planet. How do the satellite s orbital speeds compare with each other? (6.2) K/U T/I 34. Two identical satellites are orbiting different planets at the same orbital radius, but one satellite s orbital speed is twice as fast as the other s. What can you conclude about the masses of the planets the satellites are orbiting? (6.2) K/U T/I A 35. The RADARSAT-1 and RADARSAT-2 satellites were placed in orbit at an altitude of approximately 800 km and have a mass of about 2750 kg each. RADARSAT Constellation satellites orbit at approximately 600 km and have masses of about 1300 kg. (6.3) K/U A (a) Which set of satellites has greater speeds? (b) What effect does the mass have on the speeds? 36. Why is the concept of dark matter sometimes referred to as the missing mass problem? (6.4) K/U C 40. Henry Cavendish used freely moving balls to measure the gravitational force between two masses on Earth s surface. Suppose a scientist repeated the measurement using masses m kg and m kg. What is the gravitational force between the masses when the distance between their centres is r m? (6.1) T/I 41. Calculate the strength of the gravitational field of a 6520 kg elephant at a distance of 5.75 m. (6.1) T/I 42. The world s largest ball of twine was made by one man in Minnesota in the United States. A basketball sitting 55.0 m (measured from centre to centre) from the ball of twine would experience a gravitational field of N/kg from the ball of twine. Calculate the ball of twine s mass. (6.1) T/I 43. The highest peak in Canada is Mount Logan (Figure 2), which has an altitude of 5959 m above sea level. Assume that sea level defines the height of Earth s surface. (6.1) T/I Analysis and Application 37. Three balls are sitting on the ground, as shown in Figure 1. The centre of each ball is an equal distance from you. Ball A has mass m and radius r. Ball B has mass 2m and radius r. Ball C has mass m and radius 2r. Compare the gravitational force of each ball on you. Explain your answer. (6.1) T/I A 2m m A C Figure 1 B 38. Two people are standing 1.0 m apart (centre to centre). Assume that each person has a mass of 45 kg. Calculate the gravitational force between the two people. (6.1) T/I 39. Two small balls of mass 22 kg and 25 kg are a distance of 1.2 m apart. (6.1) T/I (a) Calculate the gravitational force between the balls. (b) How far apart would two balls of mass 16 kg and 21 kg have to be to have this same gravitational force between them? m Figure 2 (a) Calculate the strength of Earth s gravitational field at the altitude of Mount Logan. (b) What is the ratio of the strength of Earth s gravitational field at the top of Mount Logan to the strength at Earth s surface? 44. Neptune, the most distant planet in our solar system, is at an average distance of km from the Sun. Its mass is kg. (6.1) T/I A (a) Calculate the strength of the Sun s gravitational field at Neptune s location. (b) Calculate the strength of Neptune s gravitational field at the Sun s location. (c) Calculate the gravitational force between the Sun and Neptune. 314 Chapter 6 Gravitational Fields NEL

4 45. The gravitational force due to the Sun on the planets in our solar system decreases as the planetary distance from the Sun increases. In your notebook, draw a larger version of Figure 3, and complete it for the force of gravity on an imaginary Earth mass planet if its distance were between the Sun s radius, r S, and 100r S. (6.1) K/U T/I C F g on planet (N) Figure 3 r S Sun r S 50r S 100r S Distance from the centre of the Sun 46. How does the weight of a Mars lander change as it travels from Earth to Mars? Does the weight ever equal zero? Does the mass of the lander change? Explain your answers. (6.1) K/U T/I C 47. Ceres is a dwarf planet located in the asteroid belt between the orbits of Mars and Jupiter. The radius of Ceres is m. Suppose an astronaut stands on the surface of Ceres and drops a 0.85 kg hammer from a height of 1.25 m. The hammer takes 3.0 s to reach the ground. (6.1) T/I A (a) Determine the gravitational field strength of Ceres at this height. (b) Calculate the mass of Ceres. (c) Determine the gravitational field strength of Ceres at an altitude of 150 km above its surface. 48. Three balls of mass m kg, m kg, and m kg are arranged in a straight line. Mass m 1 is in the middle, 6 m from both mass m 2 and mass m 3. Calculate the total gravitational force exerted by balls 2 and 3 on ball 1. State both the magnitude and the direction of the force in your answer. (6.1) T/I 49. Titan, one of the moons of Saturn, has a radius of m and a mass of kg. (6.1) T/I A (a) Determine the gravitational field strength on the surface of Titan. (b) What is the ratio of Titan s gravitational field strength at its surface to the gravitational field strength on the surface of Earth? 50. The International Space Station (ISS) orbits Earth at a height of approximately 375 km. (6.1) T/I A (a) Calculate the gravitational field strength on the ISS. (b) Are astronauts truly weightless? (c) Why do astronauts and other objects on the ISS appear to float? 51. Consider what you have learned about the inversesquare law. Would it be possible for the force of gravity between two very heavy supertankers to cause them to float toward each other and collide? Explain your reasoning. (6.1) T/I C A 52. A satellite in orbit above Earth s equator is travelling at an orbital speed of 7.45 km/s. (6.2) T/I (a) Determine the altitude of the satellite. (b) Determine the satellite s period. 53. Saturn rotates once in 645 min (just under 11 h) and has a mass of kg. Suppose that scientists have placed a satellite in orbit around Saturn that has the same period as Saturn. (6.2) T/I C (a) Calculate the radius at which the satellite must orbit. (b) In a few sentences, compare this radius to Saturn s equatorial radius of m, and compare the ratio of these two numbers to the same ratio for a satellite in geostationary orbit (around Earth). 54. Neptune has an orbital radius from the Sun of km. (6.2) T/I A (a) Assume the orbit is circular. Calculate the orbital speed of Neptune. Express your answer in metres per second and in kilometres per hour. (b) Calculate Neptune s orbital period in Earth years. 55. Two satellites are placed in their desired orbit by releasing them from the International Space Station using the Canadarm2. Satellite A is released to an orbital radius of r. Satellite B is released to an orbital radius of 9 r. How does the velocity of satellite B 10 compare to the velocity of satellite A? (6.2) K/U T/I 56. The microsatellite MOST (Microvariability and Oscillations of STars) has a mass of just 52 kg. It travels in an almost circular orbit at an average altitude of 820 km above Earth s surface. (6.2) T/I A (a) Calculate the gravitational force between Earth and the MOST satellite at this altitude. (b) What speed does the MOST satellite need to maintain its altitude? Express the speed in metres per second and in kilometres per hour. (c) Determine the orbital period of MOST. NEL Chapter 6 Review 315

5 57. Determine the ratio of the speed of a satellite in orbit around Earth to the speed of a similar satellite in orbit around the Moon, assuming the satellites have equal orbital radii. The Moon s mass is 1.23 % of Earth s mass and its radius is 27.2 % of Earth s radius. (6.2) T/I A 58. A space vehicle is in circular orbit at a height of 390 km above Earth s surface. Explain how the orbital speed of the vehicle would have to change in order for its altitude above Earth to decrease by 75 km. (6.2) T/I 59. The Canadian Telesat communications satellite Anik F2 has a mass of 5900 kg and orbits km above the equator. (6.2, 6.3) T/I A (a) Determine the gravitational field of Earth at this altitude. (b) Determine the gravitational force between the satellite and Earth. (c) Calculate the speed needed by Anik F2 to maintain its orbit. Express the speed in metres per second and in kilometres per hour. (d) Calculate the orbital period of Anik F The black hole at the centre of the Milky Way galaxy is called Sagittarius A* (Figure 4). Determining its mass is difficult, but a typical value calculated for the mass is times the mass of the Sun. The mass of the Sun is kg. (6.4) T/I Figure 4 (a) If this value for the mass of Sagittarius A* is correct, how would the black hole s gravitational force on a 1 kg object compare with the gravitational force on a 1 kg object the same distance from the Sun? (b) Suppose an 8.5 kg space probe is a distance of m from the black hole s centre. (This is about the distance from Neptune to the Sun.) What gravitational force does the black hole exert on the probe? Evaluation 61. A magazine article claims that people are influenced by the movement of the planets. Use the following steps to evaluate this claim. (6.1) T/I A (a) The planet closest to Earth is Venus. It has a mass of kg, and its distance to Earth is m. Calculate the gravitational force of Venus on an 85 kg person. (b) Calculate the gravitational pull on an 85 kg person by a kg school bus a distance of 0.5 m away. (c) What is the ratio of the gravitational pull of the bus to the gravitational pull of Venus? (d) Interpret your findings. 62. Isaac Newton developed the equation for universal gravitation several decades before Henry Cavendish did his experiment. It was not until he did his experiment that calculations using Newton s equation could produce data from observations. Cavendish s experiment yielded a value for G that is slightly higher than today s accepted value of N# m 2 /kg 2. Some more recent measurements have shown the value to be N# m 2 /kg 2. What would be the effect of changing the value of the constant? (6.1) T/I A 63. In 1970, a NASA spacecraft called Apollo 13 experienced an explosion which crippled the spacecraft. Engineers and scientists evaluated whether they should turn the spacecraft around immediately and use rockets to get the astronauts aboard the spacecraft home or use the Moon s gravitational field to get back. They opted for the use of the Moon s gravitational field. Suggest some reasons for this decision. (6.2) T/I A 64. A satellite is in orbit with velocity v at a distance d above Earth s surface. A student says that the satellite s velocity would not change if it were in orbit at the same distance d around a planet with twice the mass and twice the radius. (6.2) T/I C A Gm (a) Use the equation v 5 to determine Å r whether or not the student is correct. (b) Would the satellite s velocity around the more massive planet be higher or lower? Defend your answer. 316 Chapter 6 Gravitational Fields NEL

6 65. Earth s orbit around the Sun is almost but not quite circular. We can approximate, however, a small piece of the orbit as though it is part of a perfectly circular orbit of the same radius. Earth s orbital speed is slightly greater during the winter in the northern hemisphere than during the summer in the northern hemisphere. (6.2) K/U T/I C A (a) In which season, winter or summer, is Earth closest to the Sun? (b) Does your answer to (a) explain why summer in the northern hemisphere is so much warmer than in the winter? Why or why not? 66. Consider a specific type of artificial satellite and assess the impact of that satellite technology on society or the environment. (6.3) T/I C A 67. Canada first used satellites in the early 1960s for atmospheric observations. In the 1970s, however, the use shifted to communications satellites. Satellites are also used in Canada for weather and environmental observations. Make a poster explaining the ways that satellites affect your everyday life. Evaluate how your life would be different without this type of technology. (6.3) T/I C A 68. Communication satellites have made talking anywhere in the world on a cellphone possible. These communication satellites are difficult to service if anything goes wrong. If a satellite has stopped working completely, it is often left up in space to orbit. As more and more satellites end up in orbit, they will create clutter and possibly space junk. How will this clutter affect future space travel? (6.3) T/I A Reflect on Your Learning 69. When studying this chapter, you first read about universal gravitation and then about gravitational fields. Write a short paragraph explaining why it was helpful to learn about these topics in this order instead of the reverse order. T/I C 70. Look back at the diagrams and images in this chapter. Create a slide show presentation that shows how they helped you understand universal gravitation and orbits. Be sure to include specific examples in your presentation. T/I C 71. Consider the different topics you have studied in this chapter. Choose one that you feel has an important impact on your life. Formulate your thoughts on paper and then express your thoughts to a parent or sibling, explaining about the topic and why it is important to you. What else would you like to know about this topic? How could you go about learning this? T/I C Research 72. View some actual radar images of Earth. Choose a current meteorological or environmental event, explore the information available on the Internet, and then report your findings in the form of a brief news release. T/I C 73. Application of gravitational concepts has enabled great advancements in astronomical research and understanding. Gravity explains how stars are bound together in galaxies, how galaxies are bound together in groups, and how groups of stars and galaxies are bound together in clusters. Knowledge of gravity helps scientists develop theories about black holes and dark matter. Research and prepare a report, two pages or longer, about how the application of gravitational concepts has helped astronomers. T/I C 74. The Lagrange points, labelled numerically as shown in Figure 5, are positions in space where satellites can be placed in stationary orbits relative to two larger objects, such as Earth and the Sun. Research Lagrange points. T/I C A Figure 5 5 WEB LINK (a) In an to a peer, explain why there are five Lagrange points in the Earth Sun system. (b) What do the designations 1, 2, and so on, mean? (c) How do scientists use these points when choosing the placement of satellites in orbits? (d) What satellites are currently in orbit at different Lagrange points and why? 75. A geostationary satellite is a geosynchronous satellite in orbit directly above the equator. In a few sentences, describe why a satellite must orbit above the equator to be geostationary and not just geosynchronous. K/U T/I 76. Technology now allows researchers to map Earth s gravitational field and to use the map to study the material making up Earth s interior. Research gravity surveys and how gravitational fields are used to search for mineral deposits. C A NEL Chapter 6 Review 317

6.1 Newtonian Gravitation

6.1 Newtonian Gravitation 6.1 Newtonian Gravitation Early in the formation of our galaxy, tiny gravitational effects between particles began to draw matter together into slightly denser configurations. Those, in turn, exerted even

More information

Nm kg. The magnitude of a gravitational field is known as the gravitational field strength, g. This is defined as the GM

Nm kg. The magnitude of a gravitational field is known as the gravitational field strength, g. This is defined as the GM Copyright FIST EDUCATION 011 0430 860 810 Nick Zhang Lecture 7 Gravity and satellites Newton's Law of Universal Gravitation Gravitation is a force of attraction that acts between any two masses. The gravitation

More information

CHAPTER 7 GRAVITATION

CHAPTER 7 GRAVITATION Physics Approximate Timeline Students are expected to keep up with class work when absent. CHAPTER 7 GRAVITATION Day Plans for the day Assignments for the day 1 7.1 Planetary Motion & Gravitation Assignment

More information

AP Physics Multiple Choice Practice Gravitation

AP Physics Multiple Choice Practice Gravitation AP Physics Multiple Choice Practice Gravitation 1. Each of five satellites makes a circular orbit about an object that is much more massive than any of the satellites. The mass and orbital radius of each

More information

Physics 12. Unit 5 Circular Motion and Gravitation Part 2

Physics 12. Unit 5 Circular Motion and Gravitation Part 2 Physics 12 Unit 5 Circular Motion and Gravitation Part 2 1. Newton s law of gravitation We have seen in Physics 11 that the force acting on an object due to gravity is given by a well known formula: F

More information

Assignment - Periodic Motion. Reading: Giancoli, Chapter 5 Holt, Chapter 7. Objectives/HW:

Assignment - Periodic Motion. Reading: Giancoli, Chapter 5 Holt, Chapter 7. Objectives/HW: Assignment - Periodic Motion Reading: Giancoli, Chapter 5 Holt, Chapter 7 Objectives/HW: The student will be able to: 1 Define and calculate period and frequency. 2 Apply the concepts of position, distance,

More information

Chapter 12 Gravity. Copyright 2010 Pearson Education, Inc.

Chapter 12 Gravity. Copyright 2010 Pearson Education, Inc. Chapter 12 Gravity Units of Chapter 12 Newton s Law of Universal Gravitation Gravitational Attraction of Spherical Bodies Kepler s Laws of Orbital Motion Gravitational Potential Energy Energy Conservation

More information

PHYSICS 12 NAME: Gravitation

PHYSICS 12 NAME: Gravitation NAME: Gravitation 1. The gravitational force of attraction between the Sun and an asteroid travelling in an orbit of radius 4.14x10 11 m is 4.62 x 10 17 N. What is the mass of the asteroid? 2. A certain

More information

1UNIT. The Universe. What do you remember? Key language. Content objectives

1UNIT. The Universe. What do you remember? Key language. Content objectives 1UNIT The Universe What do you remember? What are the points of light in this photo? What is the difference between a star and a planet? a moon and a comet? Content objectives In this unit, you will Learn

More information

Honors Assignment - Circular and Periodic Motion

Honors Assignment - Circular and Periodic Motion Honors Assignment - Circular and Periodic Motion Reading: Chapter 5, and 11 1 through 11 5 Objectives/HW: Assignment #1 M: # 1 6 Assignment #2 M: # 7 15 Assignment #3 Text: Chap 5 # 6, 12 M: # 17 22 Assignment

More information

By Helen and Mark Warner

By Helen and Mark Warner By Helen and Mark Warner Teaching Packs - Space - Page 1 In this section, you will learn about... 1. About the objects in the Solar System. 2. How the Solar System formed. 3. About the Asteroid Belt, Kuiper

More information

PSI AP Physics 1 Gravitation

PSI AP Physics 1 Gravitation PSI AP Physics 1 Gravitation Multiple Choice 1. Two objects attract each other gravitationally. If the distance between their centers is cut in half, the gravitational force A) is cut to one fourth. B)

More information

Universal Gravitation

Universal Gravitation Universal Gravitation Johannes Kepler Johannes Kepler was a German mathematician, astronomer and astrologer, and key figure in the 17th century Scientific revolution. He is best known for his laws of planetary

More information

1. Which term describes any object that exists in space? a. celestial object b. star c. planet d. asteroid

1. Which term describes any object that exists in space? a. celestial object b. star c. planet d. asteroid Space Test Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which term describes any object that exists in space? a. celestial object b. star c.

More information

g = Gm / r 2 The Big Idea

g = Gm / r 2 The Big Idea The Big Idea Over 2500 years ago Aristotle proposed two laws of physics governing motion. One for Earthly bodies (objects on Earth) that states objects naturally go in straight lines and one for Heavenly

More information

PHYS 101 Previous Exam Problems. Gravitation

PHYS 101 Previous Exam Problems. Gravitation PHYS 101 Previous Exam Problems CHAPTER 13 Gravitation Newton s law of gravitation Shell theorem Variation of g Potential energy & work Escape speed Conservation of energy Kepler s laws - planets Orbits

More information

AP Physics QUIZ Gravitation

AP Physics QUIZ Gravitation AP Physics QUIZ Gravitation Name: 1. If F1 is the magnitude of the force exerted by the Earth on a satellite in orbit about the Earth and F2 is the magnitude of the force exerted by the satellite on the

More information

Question 8.1: the following: (a) You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting

More information

The force of gravity holds us on Earth and helps objects in space stay

The force of gravity holds us on Earth and helps objects in space stay 96 R E A D I N G The force of gravity holds us on Earth and helps objects in space stay in orbit. The planets in the Solar System could not continue to orbit the Sun without the force of gravity. Astronauts

More information

The escape speed for an object leaving the surface of any celestial body of mass M and radius d is

The escape speed for an object leaving the surface of any celestial body of mass M and radius d is 8-3 Escape Speed Vocabulary Escape Speed: The minimum speed an object must possess in order to escape from the gravitational pull of a body. In Chapter 6, you worked with gravitational potential energy

More information

9J Gravity and Space ILU

9J Gravity and Space ILU 9J Gravity and Space ILU Level 3 4 5 6 7 no. of qu.s 0 1 3 5 0. Level 4 1. Lisa drew a picture of herself standing at four different positions on the Earth, A D B C not to scale (a) (i) Draw an arrow at

More information

End-of-Chapter Exercises

End-of-Chapter Exercises End-of-Chapter Exercises Exercises 1 12 are primarily conceptual questions that are designed to see if you have understood the main concepts of the chapter. Treat all balls with mass as point masses. 1.

More information

Explain how it is possible for the gravitational force to cause the satellite to accelerate while its speed remains constant.

Explain how it is possible for the gravitational force to cause the satellite to accelerate while its speed remains constant. YEAR 12 PHYSICS: GRAVITATION PAST EXAM QUESTIONS Name: QUESTION 1 (1995 EXAM) (a) State Newton s Universal Law of Gravitation in words (b) A satellite of mass (m) moves in orbit of a planet with mass (M).

More information

Introduction to Astronomy

Introduction to Astronomy Introduction to Astronomy Have you ever wondered what is out there in space besides Earth? As you see the stars and moon, many questions come up with the universe, possibility of living on another planet

More information

2. The distance between the Sun and the next closest star, Proxima Centuari, is MOST accurately measured in

2. The distance between the Sun and the next closest star, Proxima Centuari, is MOST accurately measured in Name: Date: 1. Some scientists study the revolution of the Moon very closely and have recently suggested that the Moon is gradually moving away from Earth. Which statement below would be a prediction of

More information

CIRCULAR MOTION AND UNIVERSAL GRAVITATION

CIRCULAR MOTION AND UNIVERSAL GRAVITATION CIRCULAR MOTION AND UNIVERSAL GRAVITATION Uniform Circular Motion What holds an object in a circular path? A force. String Friction Gravity What happens when the force is diminished? Object flies off in

More information

Lesson 2 The Inner Planets

Lesson 2 The Inner Planets Lesson 2 Student Labs and Activities Page Launch Lab 25 Content Vocabulary 26 Lesson Outline 27 MiniLab 29 Content Practice A 30 Content Practice B 31 School to Home 32 Key Concept Builders 33 Enrichment

More information

Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means?

Can you shield a body from the gravitational influence of nearby matter by putting it inside a hollow sphere or by some other means? Question 8.1: the following: You can shield a charge from electrical forces by putting it inside a hollow conductor. Can you shield a body from the gravitational influence of nearby matter by putting it

More information

Topic #13: Universal Gravitation and Satellites (Teacher)

Topic #13: Universal Gravitation and Satellites (Teacher) 1.13.1 The Development of the Theory of Universal Gravitation Before Newton developed the theory of universal gravitation, there were two separate notions of gravity. Terrestrial gravity was thought to

More information

Copyright 2010 Pearson Education, Inc. GRAVITY. Chapter 12

Copyright 2010 Pearson Education, Inc. GRAVITY. Chapter 12 GRAVITY Chapter 12 Units of Chapter 12 Newton s Law of Universal Gravitation Gravitational Attraction of Spherical Bodies Kepler s Laws of Orbital Motion Gravitational Potential Energy Energy Conservation

More information

/////// ///////////// Module ONE /////////////// ///////// Space

/////// ///////////// Module ONE /////////////// ///////// Space // // / / / / //// / ////// / /// / / // ///// ////// ////// Module ONE Space 1 Gravity Knowledge and understanding When you have finished this chapter, you should be able to: define weight as the force

More information

SOLAR SYSTEM, STABILITY OF ORBITAL MOTIONS, SATELLITES

SOLAR SYSTEM, STABILITY OF ORBITAL MOTIONS, SATELLITES SOLAR SYSTEM, STABILITY OF ORBITAL MOTIONS, SATELLITES Q1. The figure below shows what scientists over 1000 years ago thought the solar system was like. Give one way that the historical model of the solar

More information

Multiple Choice Portion

Multiple Choice Portion Unit 5: Circular Motion and Gravitation Please Note that the gravitational potential energy questions are located in Unit 4 (Energy etc.) Multiple Choice Portion 1. What is the centripetal acceleration

More information

Chapter 9 Lecture. Pearson Physics. Gravity and Circular Motion. Prepared by Chris Chiaverina Pearson Education, Inc.

Chapter 9 Lecture. Pearson Physics. Gravity and Circular Motion. Prepared by Chris Chiaverina Pearson Education, Inc. Chapter 9 Lecture Pearson Physics Gravity and Circular Motion Prepared by Chris Chiaverina Chapter Contents Newton's Law of Universal Gravity Applications of Gravity Circular Motion Planetary Motion and

More information

AP Physics C Textbook Problems

AP Physics C Textbook Problems AP Physics C Textbook Problems Chapter 13 Pages 412 416 HW-16: 03. A 200-kg object and a 500-kg object are separated by 0.400 m. Find the net gravitational force exerted by these objects on a 50.0-kg object

More information

Gravity. Newton s Law of Gravitation Kepler s Laws of Planetary Motion Gravitational Fields

Gravity. Newton s Law of Gravitation Kepler s Laws of Planetary Motion Gravitational Fields Gravity Newton s Law of Gravitation Kepler s Laws of Planetary Motion Gravitational Fields Simulation Synchronous Rotation https://www.youtube.com/watch?v=ozib_l eg75q Sun-Earth-Moon System https://vimeo.com/16015937

More information

Key Points: Learn the relationship between gravitational attractive force, mass and distance. Understand that gravity can act as a centripetal force.

Key Points: Learn the relationship between gravitational attractive force, mass and distance. Understand that gravity can act as a centripetal force. Lesson 9: Universal Gravitation and Circular Motion Key Points: Learn the relationship between gravitational attractive force, mass and distance. Understand that gravity can act as a centripetal force.

More information

9.2 Worksheet #3 - Circular and Satellite Motion

9.2 Worksheet #3 - Circular and Satellite Motion 9.2 Worksheet #3 - Circular and Satellite Motion 1. A car just becomes airborne as it comes off the crest of a bridge that has circular cross section of radius 78.0 m. What is the speed of the car? 2.

More information

Proficient. a. The gravitational field caused by a. The student is able to approximate a numerical value of the

Proficient. a. The gravitational field caused by a. The student is able to approximate a numerical value of the Unit 6. Circular Motion and Gravitation Name: I have not failed. I've just found 10,000 ways that won't work.-- Thomas Edison Big Idea 1: Objects and systems have properties such as mass and charge. Systems

More information

Circular Motion & Gravitation MC Question Database

Circular Motion & Gravitation MC Question Database (Questions #4,5,6,27,37,38,42 and 58 each have TWO correct answers.) 1) A record player has four coins at different distances from the center of rotation. Coin A is 1 cm away, Coin B is 2 cm away. Coin

More information

Chapter 6 Gravitation and Newton s Synthesis

Chapter 6 Gravitation and Newton s Synthesis Chapter 6 Gravitation and Newton s Synthesis If the force of gravity is being exerted on objects on Earth, what is the origin of that force? Newton s realization was that the force must come from the Earth.

More information

18.1 Earth and Its Moon Earth s shape and orbit Earth s shape Earth s orbit around the Sun

18.1 Earth and Its Moon Earth s shape and orbit Earth s shape Earth s orbit around the Sun 18.1 Earth and Its Moon Revolving around Earth at a distance of 384,400 kilometers is our only moon. Since the invention of spacecraft, our knowledge of Earth and the Moon has grown tremendously. In fact,

More information

4. What verb is used to describe Earth s

4. What verb is used to describe Earth s Name: Date: 1 Read the text and then answer the questions. No matter where on Earth you live, you have day and night. That happens because of a movement of Earth called rotation. Earth rotates, or turns,

More information

Circular Motion and Gravitation Practice Test Provincial Questions

Circular Motion and Gravitation Practice Test Provincial Questions Circular Motion and Gravitation Practice Test Provincial Questions 1. A 1 200 kg car is traveling at 25 m s on a horizontal surface in a circular path of radius 85 m. What is the net force acting on this

More information

Chapter 5 Part 2. Newton s Law of Universal Gravitation, Satellites, and Weightlessness

Chapter 5 Part 2. Newton s Law of Universal Gravitation, Satellites, and Weightlessness Chapter 5 Part 2 Newton s Law of Universal Gravitation, Satellites, and Weightlessness Newton s ideas about gravity Newton knew that a force exerted on an object causes an acceleration. Most forces occurred

More information

Gravity. James H Dann, Ph.D. Say Thanks to the Authors Click (No sign in required)

Gravity. James H Dann, Ph.D. Say Thanks to the Authors Click   (No sign in required) Gravity James H Dann, Ph.D. Say Thanks to the Authors Click http://www.ck12.org/saythanks (No sign in required) To access a customizable version of this book, as well as other interactive content, visit

More information

AY2 Winter 2017 Midterm Exam Prof. C. Rockosi February 14, Name and Student ID Section Day/Time

AY2 Winter 2017 Midterm Exam Prof. C. Rockosi February 14, Name and Student ID Section Day/Time AY2 Winter 2017 Midterm Exam Prof. C. Rockosi February 14, 2017 Name and Student ID Section Day/Time Write your name and student ID number on this printed exam, and fill them in on your Scantron form.

More information

Earth in Space. Guide for Reading How does Earth move in space? What causes the cycle of seasons on Earth?

Earth in Space. Guide for Reading How does Earth move in space? What causes the cycle of seasons on Earth? Earth in Space How does Earth move in space? What causes the cycle of seasons on Earth? The study of the moon, stars, and other objects in space is called astronomy. Ancient astronomers studied the movements

More information

Area 3: Newton s Laws of Motion

Area 3: Newton s Laws of Motion rea 3: Newton s Laws of Motion Multiple hoice Questions 1 1 1. space probe built on arth has a mass of 75 kg. alculate the weight of the space probe on arth. 77 N 75 N 76 N 735 N 75 N 2. lunar lander module

More information

PSI AP Physics C Universal Gravity Multiple Choice Questions

PSI AP Physics C Universal Gravity Multiple Choice Questions PSI AP Physics C Universal Gravity Multiple Choice Questions 1. Who determined the value of the gravitational constant (G)? (A) Newton (B) Galileo (C) Einstein (D) Schrödinger (E) Cavendish 2. Who came

More information

Astronomy: Exploring the Universe

Astronomy: Exploring the Universe Course Syllabus Astronomy: Exploring the Universe Course Description Why do stars twinkle? Is it possible to fall into a black hole? Will the sun ever stop shining? Since the first glimpse of the night

More information

Gravitation Part III. Orbits

Gravitation Part III. Orbits VLA/LWA Tour Saturday Sept 29 (avoid fall break) Depart 9am from PandA parking lot 10am: pickup burritos in Socorro 11am: Arrive at VLA gift shop 1pm: Lunch at VLA 3:30pm: Return to PandA parking lot Gravitation

More information

TEACHER PAGE CELEBRATING SPACE: A QUICK HISTORY

TEACHER PAGE CELEBRATING SPACE: A QUICK HISTORY Background Putting the Space Age Into Context: The dawn of the space age does not date back that far in human history only 40 years! It is so recent that you can get eye-witness accounts by asking parents,

More information

Astronomy Section 2 Solar System Test

Astronomy Section 2 Solar System Test is really cool! 1. The diagram below shows one model of a portion of the universe. Astronomy Section 2 Solar System Test 4. Which arrangement of the Sun, the Moon, and Earth results in the highest high

More information

Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force

Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force This unit we will investigate the special case of kinematics and dynamics of objects in uniform circular motion. First let s consider

More information

AST101IN Final Exam. 1.) Arrange the objects below from smallest to largest. (3 points)

AST101IN Final Exam. 1.) Arrange the objects below from smallest to largest. (3 points) Name: Possibly useful formulae: AST101IN Final Exam F g = Gm 1 m 2 /r 2 p 2 =a 3 F=ma E=mc 2 1.) Arrange the objects below from smallest to largest. (3 points) The sun The Earth The universe The Milky

More information

GRAVITATION CONCEPTUAL PROBLEMS

GRAVITATION CONCEPTUAL PROBLEMS GRAVITATION CONCEPTUAL PROBLEMS Q-01 Gravitational force is a weak force but still it is considered the most important force. Why? Ans Gravitational force plays an important role for initiating the birth

More information

Which of the following planets are all made up of gas? When a planets orbit around the Sun looks like an oval, it s called a(n)

Which of the following planets are all made up of gas? When a planets orbit around the Sun looks like an oval, it s called a(n) When a planets orbit around the Sun looks like an oval, it s called a(n) - ellipse - circle - axis - rotation Which of the following planets are all made up of gas? - Venus, Mars, Saturn and Pluto - Jupiter,

More information

Algebra Based Physics Newton's Law of Universal Gravitation

Algebra Based Physics Newton's Law of Universal Gravitation Algebra Based Physics Newton's Law of Universal Gravitation 2016 01 19 www.njctl.org Newton's Law of Universal Gravitation Gravitational Force Click on the topic to go to that section Gravitational Field

More information

orbit 1 of 6 For the complete encyclopedic entry with media resources, visit:

orbit 1 of 6 For the complete encyclopedic entry with media resources, visit: This website would like to remind you: Your browser (Apple Safari 4) is out of date. Update your browser for more security, comfort and the best experience on this site. Encyclopedic Entry orbit For the

More information

Unit 1: The Earth in the Universe

Unit 1: The Earth in the Universe Unit 1: The Earth in the Universe 1. The Universe 1.1. First ideas about the Universe 1.2. Components and origin 1.3. Sizes and distances 2. The Solar System 3. The planet Earth 3.1. Movements of the Earth

More information

The Outer Planets. Video Script: The Outer Planets. Visual Learning Company

The Outer Planets. Video Script: The Outer Planets. Visual Learning Company 11 Video Script: 1. For thousands of years people have looked up at the night sky pondering the limits of our solar system. 2. Perhaps you too, have looked up at the evening stars and planets, and wondered

More information

Gravitation and Newton s Synthesis

Gravitation and Newton s Synthesis Lecture 10 Chapter 6 Physics I 0.4.014 Gravitation and Newton s Synthesis Course website: http://faculty.uml.edu/andriy_danylov/teaching/physicsi Lecture Capture: http://echo360.uml.edu/danylov013/physics1spring.html

More information

3 UCM & Gravity Student Physics Regents Date

3 UCM & Gravity Student Physics Regents Date Student Physics Regents Date 1. Which diagram best represents the gravitational forces, Fg, between a satellite, S, and Earth? A) B) 4. Gravitational force exists between point objects and separated by

More information

The Force of Gravity exists between any two masses! Always attractive do you feel the attraction? Slide 6-35

The Force of Gravity exists between any two masses! Always attractive do you feel the attraction? Slide 6-35 The Force of Gravity exists between any two masses! Always attractive do you feel the attraction? Slide 6-35 Summary Newton s law of gravity describes the gravitational force between A. the earth and the

More information

Astronomy: Exploring the Universe

Astronomy: Exploring the Universe Course Syllabus Astronomy: Exploring the Universe Course Code: EDL028 Course Description The universe is truly the last unknown frontier and offers more questions than answers. Why do stars twinkle? Is

More information

8.11 Satellites. Figure 1 Artifi cial satellites provide valuable monitoring and communication services for humankind.

8.11 Satellites. Figure 1 Artifi cial satellites provide valuable monitoring and communication services for humankind. 8.11 Satellites As you know, Earth has one natural satellite orbiting it the Moon. Earth also has thousands of other satellites circling it at different altitudes and orbits, but these are all made by

More information

AP Physics-B Universal Gravitation Introduction: Kepler s Laws of Planetary Motion: Newton s Law of Universal Gravitation: Performance Objectives:

AP Physics-B Universal Gravitation Introduction: Kepler s Laws of Planetary Motion: Newton s Law of Universal Gravitation: Performance Objectives: AP Physics-B Universal Gravitation Introduction: Astronomy is the oldest science. Practical needs and imagination acted together to give astronomy an early importance. For thousands of years, the motions

More information

What Objects Are Part of the Solar System?

What Objects Are Part of the Solar System? What Objects Are Part of the Solar System? Lesson 1 Quiz Josleen divided some of the planets into two main groups. The table below shows how she grouped them. Paul created a poster showing the solar system.

More information

Chapter 6: Circular Motion, Orbits, and Gravity Tuesday, September 17, :00 PM. Circular Motion. Rotational kinematics

Chapter 6: Circular Motion, Orbits, and Gravity Tuesday, September 17, :00 PM. Circular Motion. Rotational kinematics Ch6 Page 1 Chapter 6: Circular Motion, Orbits, and Gravity Tuesday, September 17, 2013 10:00 PM Circular Motion Rotational kinematics We'll discuss the basics of rotational kinematics in this chapter;

More information

Planetary Mechanics:

Planetary Mechanics: Planetary Mechanics: Satellites A satellite is an object or a body that revolves around another body due to the gravitational attraction to the greater mass. Ex: The planets are natural satellites of the

More information

Topic 6: Circular motion and gravitation 6.2 Newton s law of gravitation

Topic 6: Circular motion and gravitation 6.2 Newton s law of gravitation Topic 6: Circular motion and gravitation 6.2 Newton s law of gravitation Essential idea: The Newtonian idea of gravitational force acting between two spherical bodies and the laws of mechanics create a

More information

Science Space Lessons 1-5 Notes

Science Space Lessons 1-5 Notes Science Space Lessons 1-5 Notes The Planets in order from the Sun are: Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune To help us remember, we use the sentence: My Very Excited Mother Just Served

More information

3. The diagram below shows the Moon at four positions in its orbit around Earth as viewed from above the North Pole.

3. The diagram below shows the Moon at four positions in its orbit around Earth as viewed from above the North Pole. 1. Which object orbits Earth in both the Earth-centered (geocentric) and Sun-centered (heliocentric) models of our solar system? (1) Polaris (3) the Sun (2) Venus (4) the Moon 2. A cycle of Moon phases

More information

Making Sense of the Universe (Chapter 4) Why does the Earth go around the Sun? Part, but not all, of Chapter 4

Making Sense of the Universe (Chapter 4) Why does the Earth go around the Sun? Part, but not all, of Chapter 4 Making Sense of the Universe (Chapter 4) Why does the Earth go around the Sun? Part, but not all, of Chapter 4 Based on part of Chapter 4 This material will be useful for understanding Chapters 8 and 11

More information

Name Period Chapter 12 &13 Study Guide

Name Period Chapter 12 &13 Study Guide Name Period Chapter 12 &13 Study Guide Multiple Choice Identify the choice that best completes the statement or answers the question. 1. When are tides highest? a. during the moon s first quarter phase

More information

S Notre Dame 1

S Notre Dame 1 Worksheet 1 Horizontal Circular Motion 1. Will the acceleration of a car be the same if it travels Around a sharp curve at 60 km/h as when it travels around a gentle curve at the same speed? Explain. 2.

More information

5. Use the graph below to determine the displacement of the object at the end of the first seven seconds.

5. Use the graph below to determine the displacement of the object at the end of the first seven seconds. Name: Hour: 1. The slope of the tangent on a position-time graph equals the: Sem 1 Exam Review Advanced Physics 2015-2016 2. The area under the curve on a velocity-time graph equals the: 3. The graph below

More information

II. Universal Gravitation - Newton 4th Law

II. Universal Gravitation - Newton 4th Law Periodic Motion I. Circular Motion - kinematics & centripetal acceleration - dynamics & centripetal force - centrifugal force II. Universal Gravitation - Newton s 4 th Law - force fields & orbits III.

More information

astronomy A planet was viewed from Earth for several hours. The diagrams below represent the appearance of the planet at four different times.

astronomy A planet was viewed from Earth for several hours. The diagrams below represent the appearance of the planet at four different times. astronomy 2008 1. A planet was viewed from Earth for several hours. The diagrams below represent the appearance of the planet at four different times. 5. If the distance between the Earth and the Sun were

More information

GRADE 8: Earth and space 1. UNIT 8E.1 8 hours. The Solar System. Resources. About this unit. Previous learning. Expectations

GRADE 8: Earth and space 1. UNIT 8E.1 8 hours. The Solar System. Resources. About this unit. Previous learning. Expectations GRADE 8: Earth and space 1 The Solar System UNIT 8E.1 8 hours About this unit This is the only unit on Earth and Space in Grade 8. This unit builds on work done in Grade 6 and leads into work on the wider

More information

UNIT 1: EARTH AND THE SOLAR SYSTEM.

UNIT 1: EARTH AND THE SOLAR SYSTEM. UNIT 1: EARTH AND THE SOLAR SYSTEM. 1) A BRIEF HISTORY Theories of the Universe In the second century BC, the astronomer Ptolemy proposed that the Earth was the centre of the Universe, and that the Sun,

More information

Unit 5 Gravitation. Newton s Law of Universal Gravitation Kepler s Laws of Planetary Motion

Unit 5 Gravitation. Newton s Law of Universal Gravitation Kepler s Laws of Planetary Motion Unit 5 Gravitation Newton s Law of Universal Gravitation Kepler s Laws of Planetary Motion Into to Gravity Phet Simulation Today: Make sure to collect all data. Finished lab due tomorrow!! Universal Law

More information

Comments about HW #1 Sunset observations: Pick a convenient spot (your dorm?) Try to get 1 data point per week Keep a lab notebook with date, time,

Comments about HW #1 Sunset observations: Pick a convenient spot (your dorm?) Try to get 1 data point per week Keep a lab notebook with date, time, Comments about HW #1 Sunset observations: Pick a convenient spot (your dorm?) Try to get 1 data point per week Keep a lab notebook with date, time, weather, comments Mark down bad weather attempts Today:

More information

Gravitation and Newton s Synthesis

Gravitation and Newton s Synthesis Lecture 10 Chapter 6 Physics I 0.4.014 Gravitation and Newton s Synthesis Course website: http://faculty.uml.edu/andriy_danylov/teaching/physicsi Lecture Capture: http://echo360.uml.edu/danylov013/physics1spring.html

More information

Learning Lab Seeing the World through Satellites Eyes

Learning Lab Seeing the World through Satellites Eyes Learning Lab Seeing the World through Satellites Eyes ESSENTIAL QUESTION What is a satellite? Lesson Overview: Engage students will share their prior knowledge about satellites and explore what satellites

More information

Lecture PowerPoints. Chapter 6 Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli

Lecture PowerPoints. Chapter 6 Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli Lecture PowerPoints Chapter 6 Physics for Scientists and Engineers, with Modern Physics, 4 th edition Giancoli 2009 Pearson Education, Inc. This work is protected by United States copyright laws and is

More information

SPI Use data to draw conclusions about the major components of the universe.

SPI Use data to draw conclusions about the major components of the universe. SPI 0607.6.1 - Use data to draw conclusions about the major components of the universe. o Stars are huge, hot, brilliant balls of gas trillions of kilometers away. A Galaxy is a collection of billions

More information

PHYSICS. Chapter 13 Lecture FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E RANDALL D. KNIGHT Pearson Education, Inc.

PHYSICS. Chapter 13 Lecture FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E RANDALL D. KNIGHT Pearson Education, Inc. PHYSICS FOR SCIENTISTS AND ENGINEERS A STRATEGIC APPROACH 4/E Chapter 13 Lecture RANDALL D. KNIGHT Chapter 13 Newton s Theory of Gravity IN THIS CHAPTER, you will learn to understand the motion of satellites

More information

D. The Solar System and Beyond Name KEY Chapter 1 Earth, Moon, & Beyond STUDY GUIDE

D. The Solar System and Beyond Name KEY Chapter 1 Earth, Moon, & Beyond STUDY GUIDE Page1 D. The Solar System and Beyond Name KEY Chapter 1 Earth, Moon, & Beyond Date Lesson 1: How Do Earth and the Moon Compare? STUDY GUIDE A. Vocabulary Write the definition to each word below. 1. revolve

More information

6. Find the centripetal acceleration of the car in m/s 2 a b c d e. 32.0

6. Find the centripetal acceleration of the car in m/s 2 a b c d e. 32.0 PHYSICS 5 TEST 2 REVIEW 1. A car slows down as it travels from point A to B as it approaches an S curve shown to the right. It then travels at constant speed through the turn from point B to C. Select

More information

Chapter 3 - Gravity and Motion. Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Chapter 3 - Gravity and Motion. Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter 3 - Gravity and Motion Copyright (c) The McGraw-Hill Companies, Inc. Permission required for reproduction or display. In 1687 Isaac Newton published the Principia in which he set out his concept

More information

Earth in Space. The Sun-Earth-Moon System

Earth in Space. The Sun-Earth-Moon System in Space The --Moon System What do you think? Read the two statements below and decide whether you agree or disagree with them. Place an A in the Before column if you agree with the statement or a D if

More information

7 Study Guide. Gravitation Vocabulary Review

7 Study Guide. Gravitation Vocabulary Review Date Period Name CHAPTER 7 Study Guide Gravitation Vocabulary Review Write the term that correctly completes the statement. Use each term once. Kepler s second law Newton s law of universal gravitation

More information

What is Earth Science?

What is Earth Science? What is Earth Science? A.EARTH SCIENCE: the study of Earth and its history B. Earth science is divided into 4 main branches: 1. Geology: study of the lithosphere 2. Oceanography: study of oceans 3. Meteorology:

More information

4.8 The Normal Force. Apparent Weight

4.8 The Normal Force. Apparent Weight 4.8 The Normal Force Apparent Weight Definition: The apparent weight of an object is the reading of the scale. It is equal to the normal force the man exerts on the scale. For a man standing on a scale

More information

1 Read the title and the first two paragraphs of this extract of a text. Then check ( ) the correct answers.

1 Read the title and the first two paragraphs of this extract of a text. Then check ( ) the correct answers. Reading 1 Read the title and the first two paragraphs of this extract of a text. Then check ( ) the correct answers. / 0.4 point What is the main objective of the text? a. To present information about

More information

Practice Test for Midterm Exam

Practice Test for Midterm Exam A.P. Physics Practice Test for Midterm Exam Kinematics 1. Which of the following statements are about uniformly accelerated motion? Select two answers. a) If an object s acceleration is constant then it

More information

The Sun s center is much hotter than the surface. The Sun looks large and bright in the sky. Other stars look much smaller.

The Sun s center is much hotter than the surface. The Sun looks large and bright in the sky. Other stars look much smaller. The Sun A star is a huge ball of hot, glowing gases. The Sun is a star. The width of the Sun is equal to the width of 100 Earths placed side by side. The Sun is extremely hot. The surface of the Sun has

More information

Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force

Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force Circular Motion and Gravitation Notes 1 Centripetal Acceleration and Force This unit we will investigate the special case of kinematics and dynamics of objects in uniform circular motion. First let s consider

More information