FORCES & MOTION STUDY GUIDE. 1. What does it mean when forces are balanced on an object? (Exploration F)
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1 FORCES & MOTION STUDY GUIDE 1. What does it mean when forces are balanced on an object? (Exploration F) 2. How do unbalanced forces affect the motion of an object? (Exploration G and Idea Questions) 3. How do balanced forces affect the motion of an object? (Exploration G and Idea Questions) 4. What is Newton s first law of motion? Write out the entire law. (Exploration G & Idea Questions) 5. What is another name for the law? (Exploration G & Idea Questions) 6. Diagram the forces acting on a tennis ball at rest on a table. (Exploration G) 7. Diagram the forces acting on a tennis ball as it is being pushed across a table and its speed is increasing. Imagine the force of friction does not exist. (Exploration G)
2 8. Diagram the forces acting on a tennis ball after it has been released and it is moving at a constant velocity. Imagine the force of friction does not exist. (Exploration G) 9. Imagine you are standing on a bus for the following situations. (Exploration G & Idea Questions) a. What is the bus doing if you suddenly lean forward? b. What is the bus doing if you suddenly lean backward? c. What is the bus doing if you suddenly lean to the left? d. What is the bus doing if you suddenly lean to the right? 10. What is the equation for speed? Time? Distance? (Expansion B & Speed Worksheet) a. Speed b. Time c. Distance 11. What is the speed of a bowling ball if it travels 30 meters in 6 seconds? (Expansion B & Speed Worksheet) 12. What is the time it takes a person to fill an 18-liter (18,000 ml) gas tank at 100 milliliters per second? Convert your answer to minutes. Watch out for the units used for volume. (Expansion B & Speed Worksheet) 13. How does the mass of an object affect its speed (acceleration)? (Expansion D)
3 14. How does the force applied to an object affect its speed (acceleration)? (Expansion E) 15. How is the mass of an object and its resulting acceleration related mathematically? (Expansions D & E) 16. How is the force applied to an object and its resulting acceleration related mathematically? (Expansions D & E) 17. What is the equation that is a part of Newton s second law of motion? (Expansions D & E) 18. What is inertia? (Exploration G) 19. How does the mass of an object affect its inertia? (Chapter 3 Notes) 20. How is the speed of an object different scientifically speaking than its velocity? 21. What is Newton s third law of motion? Write out the entire law. (Expansion F)
4 22. List two examples from the Newton s Laws of Motion Card Sort for each of Newton s Three Laws of Motion. (Card Sort) a. Newton s 1 st Law (2 Examples) b. Newton s 2 nd Law (2 Examples) c. Newton s 3 rd Law (2 Examples) 23. What is the definition of friction? 24. What is the definition of gravity? 25. How do the following two variables affect the amount of gravitational force an object is able to exert? (Expansion H) a. Distance b. Mass 26. Draw a diagram showing how inertia and gravity influence a planet s orbit? Include the sun, the planet, and the planet s orbit around the sun. Use arrows to show the effect inertia and gravity have on the planet s motion. (Expansion H) 27. How are mass and weight different? a. Mass b. Weight
5 28. How do the following two variables affect the weight of an object? a. Amount of Gravitational Force b. Amount of Mass 29. How would your mass compare on the Earth and the moon? 30. How would your weight compare on the Earth and the moon? 31. How does the length of a pendulum affect the number of swings of a pendulum? (Pendulum Lab) 32. In Forces and Motion Exploration A, why did the quarter remain in the circle when you rolled the tennis ball into the ball the quarter was resting on with a large force? (Exploration Discussion Questions) 33. In Forces and Motion Exploration A, why did the quarter fly out of the circle when you rolled the tennis ball into the ball the quarter was resting on with an extremely small force? (Exploration Discussion Questions) 34. Be able to draw and/or analyze rate and acceleration graphs. (Expansion C & Motion Graphing Exercise)
6 28. How do the following two variables affect the weight of an object? c. Amount of Gravitational Force d. Amount of Mass 29. How would your mass compare on the Earth and the moon? 30. How would your weight compare on the Earth and the moon? 31. How does the length of a pendulum affect the number of swings of a pendulum? (Pendulum Lab) 32. In Forces and Motion Exploration A, why did the quarter remain in the circle when you rolled the tennis ball into the ball the quarter was resting on with a large force? (Exploration Discussion Questions) 33. In Forces and Motion Exploration A, why did the quarter fly out of the circle when you rolled the tennis ball into the ball the quarter was resting on with an extremely small force? (Exploration Discussion Questions) 34. Be able to draw and/or analyze rate and acceleration graphs. (Expansion C & Motion Graphing Exercise)
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