HOLIDAY HOME WORK PHYSICS CLASS10
|
|
- Tracey Hawkins
- 5 years ago
- Views:
Transcription
1 Work, power and energy HOLIDAY HOME WORK PHYSICS CLASS10 1) When does a force do work? 2) Name and define a physical quantity which has unit kgm 2/ s 2? 3) Give factors on which work depends? 4) Write an expression for work in the following cases A) When force and displacement are in same direction B) When force and displacement are inclined to each other at an angle 5) State the condition when the work done by a force is positive and maximum? Give examples 6) A body acted upon by force. State two conditions when the work done is zero. 7) State the condition when the work done by a force is negative? Give examples 8) A man carrying a load on his head moving on a horizontal surface does no work explain? 9) A body is falling freely and another body is thrown up compare the work done by gravitational force on both bodies 10) A satellite revolves around the earth in a circular orbit. What is the work done by the force of gravity. 11) What is the work done by the moon when it revolves around the earth? 12) The work done by a fielder when he takes a catch in a cricket match is negative. Explain. 13) Who does more work: a man with load walking along a straight road or a man with same load climbing up stairs? give reason 14) What is the work done by force of gravity when a person comes down a certain height using stairs, lift or a slope? give reason 15) Name and define SI unit of work? 16) Name and define CGS unit of work? 17) Obtain the relation between SI and CGS unit of work? 18) Define energy and state its SI unit? 19) A) 1kWh= J b) 1eV= J 20) Name and define a physical quantity which a unit J/s? 21) Give the unit of power which is used in mechanical engineering and give its relation to SI unit 22) State and define Si unit of power 23) Differentiate between the following : a) Work and power(3 points) b) Power and energy
2 24) State the angle between force and displacement to obtain a) maximum work b) minimum work 25) What is the work done on the body by a force a) Body does not move b) body moves perpendicular to direction of force c) body moves along direction of force d) Body moves opposite to direction of force 26) State the amount of work done by an object when it moves in a circular path for one complete rotation.give reason. 27) Explain the motion of a planet around the sun in a circular path. 28) 1J= cal. 1cal= J. 1J= erg. 1HP= W 29) What is the difference between the units KW and KWh? 30) What is the work done by the moon when it revolves around the earth? 31) Give expression for the work done by gravitational force on a body of mass m climbing to height h by stairs would there be any difference in he work done on the boy if he climbs to same height using lift or slope? 32) Define the following units A) KWh B) ev c) Calorie 32) Define kinetic energy and state its SI unit 33) Derive the relation for calculating the kinetic energy 34) State an expression relating KE and P 35) Can a body possess energy without momentum? If so, give a reason for your answer 36) Can a body possess momentum without energy? If so, give a reason for your answer 37) State work energy theorem 38) Derive work energy theorem mathematically 39) When a stone placed at a height dropped on nail fixed in wooden piece begins to penetrate, give reason? 40) When an arrow is released from a stretched bow it flies away, from where does it get the energy to move? 41) On releasing a compressed spring the ball placed on it flies away,give reason?
3 42) State energy conversion in the following Electric generator, Electric motor Termocouple, Microphone Loudspeaker, Battery while charging Battery in electric circuit, Kerosene lamp Burning candle, Electric Bulb, Photovoltaic cell Fire crackers Lead accumulator, burning of Wood Steam engine, Toaster, oven, geyser Electromagnet, Photosynthesis Respiration, Water falls A car going up a hill, Washing machine Electric bell, Solar cell Wind mill, Nuclear reactor Rubbing hands, Throwing body into air Hydroelectric power station 43) Differentiate between renewable and non renewable sources of energy 44) Give any two measures for judicious use of energy 45) What is a solar cell? Give its disadvantages 46) What are the advantages and limitations of using wind mills? 47) What are the advantages and limitations of using hydro energy? 48) What is nuclear energy? Give its advantages and limitations 49) What is the reaction taking place in nuclear reactor and what is the source of energy in this reaction? 50) State law of conservation of energy 51) Show that the total sum of mechanical energy remains constant in the case of freely falling body 52) Draw a diagram to show energy changes in an oscillating simple pendulum.indicate in your diagram how the total mechanical energy init remains constant during oscillation 53) What do you mean by energy degradation? Give two examples 54) A body of mass m is moving with velocity v what will be the ratio of initial KE to final KE when mass of body is doubled and velocity is halved? Force 1) Define force
4 2) What are contact forces? Give examples 3) State the direction of restoring force in pendulum when it is in a) at rest position b) at extreme position? Draw diagrams to illustrate your answer 4) When a spring is stretched, what force will come into play? State its direction? How is this force set up? Name a device which works on this principle? Draw diagram to show its direction 5) Two bodies A and B collide with each other,f Ab is the force exerted by A on B and F BA is the force exerted on by B on A. Give relation between A and B in respect to their magnitude and direction? 6) What is the effect of force on a) rigid body b) non-rigid body 7) What are non contact forces? Give examples 8) Which property is common to non contact forces 9) State Newton s first law of motion 10) State Newton s second law of motion,express it mathematically 11) Under what conditions does Newton s second law can be expressed as F=ma? 12) Name and define a physical quantity which is conserved when a rocket moves up? 13) Draw graphs for acceleration against force and acceleration against mass 14) Name a physical quantity which has unit Ns? 15) Give SI units of the following a) momentum b) rate of change of momentum 16) Define the SI unit of force 17) Obtain the relation between SI and CGS of force 18) Define 1Kgf and 1gf 19) 1N= dyne,1kgf= N 20) 1N= gf, 1kgf= gf, 1gf= dyne 21) Name and Define the physical quantity which has unit Nm 22) On what factors does the torque depend? 23) Which moments are assigned positive and negative conventionally? 24) Why is it easy to open a door by applying small force at the handle? 25) Why is the upper circular stone of a hand flour grinder provided with a handle near its rim? 26) Why a spanner provided with a long handle? 27) What is a couple? Give examples of couple in daily life 28) Define moment of a couple 29) When is a body is said be in equilibrium? 30) Define static equilibrium. Give examples 31) Define dynamic equilibrium. Give examples 32) Give conditions for body to be in equilibrium 33) State principle of moments. Name a device which works on this principle? 34) What is center of gravity? 35) Does the center of gravity remain the same if the body is deformed? Give a reason for your answer 36) Is it necessary that CG always lies within the body? Give example 37) State where does CG lie in the following a) rod b) hollow sphere C) cylinder d) solid and hollow cone e) triangular lamina f) rectangle, square, parallogram
5 38) When a ship is loaded, the lowest deck is loaded first, why? 39) In a double Decker bus the passengers in upper deck are advised not to stand, why? 40) A uniform circular motion is said to be an accelerated motion. Explain it. 41) Differentiate between uniform linear motions and uniform circular motion 42) Name and define the force required for circular motion? State its direction 43) Name and define force experienced only in rotatory frame of reference? State its direction 44) Differentiate between centrifugal and centripetal forces 45) State from where does the body obtain necessary centripetal force in following cases a) Moon moving around earth b) Planet revolving around sun c) Electron moving around nucleus in an atom d) A stone to a string whirled in circular path 46) A small pebble is placed near the periphery of a circular disc which is rotating about its axis a) What will you observe when you are standing outside the disc? Explain it. b) What will you observe when your standing at the center of disc? Explain it. 47) On what factor does CG depends. 48) When a body is placed on a table top, it exerts a force equal to its weight down wards on the table top but does not move or fall. Name the force exerted by the table top. What is the direction of force? Radioactivity 1) Define work function and state and define its SI unit 2) Define thermionic emission 3) Define electron emission. Name two ways by which electron emission possible. 4) Name the unit in which work function is measured. How it is related to its S.I unit. 5) Give two requisites of an electron emitter with reason. 6) State the principle of Cathode ray tube. 7) Which of the radioactive radiations have zero mass and similar to cathode rays. 8) A radioactive substance is oxidized. What changes would you expect to take place in nucleus and why? 9) Why are the materials of low work function preferred as thermionic emitters? 10) What is meant by radioactivity? 11) Give two factors on which thermionic emission depens. 12) What are radioactive isotopes? Give two uses. 13) Draw a diagram of hot cathode ray tube.give two uses. 14) Mention any two differences between chemical energy and Nuclear energy. 15) Name the three parts of hot cathode ray tube. Mention the principle of these parts. 16) Name a device which converts electric signal to visual signal 17) In a cathode ray tube state 1) the purpose of covering cathode by thorium and carbon 2) the purpose of fluorescent screen
6 18) Which of the radioactive radiations 1) can cause severe genetical disorders 2) are deflected by electric field 19) A radioactive nucleus undergoes a series of decays according to the sequence X----β---- X α----x 2 ---α X 3.If the mass number and atomic number of X 3 are 172and 69 respectively.what is the atomic number and mass number of X. 20 ) What is meant by Nuclear waste. Suggest one way safe disposal of Nuclear waste. 21) What are background radiations? 22) Name two internal sources and external sources of background radiations 23) Name a common device where a hot cathode ray tube is used 24) Give two precautions in handling radioactive substances. 25) Mention safe methods of establishing nuclear power plants. ****************
7
Grade X Physics CW Sheets Name
S Grade X Physics CW Sheets Name RADIOACTIVITY 1. What is the name given to atoms of a substance which have the same atomic number but different mass numbers? 2. What is the difference in the atomic structures
More informationPhysics EXERCISE- 1 (A)
EXERCISE- 1 (A) Question 1: What are contact forces? Give two Examples. Solution 1: The forces which act on bodies when they are in physical contact, are called contact forces. For e.g. frictional force
More informationHOLIDAY HOMEWORK - CLASS IX B Physics
HOLIDAY HOMEWORK - CLASS IX B Physics Unit: Gravitation Assignment -1 1. The weight of any person on the moon is about 1/6 times that on the earth. He can lift a mass of 15 kg on the earth. What will be
More informationSCIENCE WORK POWER & ENERGY
SCIENCE WORK POWER & ENERGY Class 9 Science (Physics) Question Bank www.eduvictors.com Work Power & Energy Question Bank based on NCERT Class 9 Chapter and Previous Years Papers Q1: force of 7 N acts on
More informationQuantitative Skills in AP Physics 1
This chapter focuses on some of the quantitative skills that are important in your AP Physics 1 course. These are not all of the skills that you will learn, practice, and apply during the year, but these
More informationAP Physics B Summer Assignment
BERGEN COUNTY TECHNICAL SCHOOL AP Physics B Summer Assignment 2011 Solve all problems on separate paper. This will be due the first week of school. If you need any help you can e-mail Mr. Zavorotniy at
More informationClass IX Chapter 11 Work and Energy Science
Class IX Chapter 11 Work and Energy Science Question 1: A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on
More informationNCERT solution for Work and energy
1 NCERT solution for Work and energy Question 1 A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (See below figure). Let us take it that the force acts on the
More informationICSE QUESTION PAPER Class X Physics (2015)
ICSE QUESTION PAPER Class X Physics (2015) Time: 2 hour Maximum Marks: 80 General Instructions: 1. Answers to this paper must be written on the paper provided separately. 2. You will not be allowed to
More informationElectric Flux Holiday Homework
Physics 1. Evaluate (999) 1/3 upto four places of decimal.. Solve (1001) 1/3 upto six places of decimal. 3. Plot graph y = x 4. Plot graph x² + y² = 9 5. Integrate the following functions w.r.t.x and find
More informationSTD XI BLUE PRINT OF PHYSICS- FIRST TERM SA-1 (2 Marks) 2X5=10. SA-II (3 Marks) 3X12=36
STD XI BLUE PRINT OF PHYSICS- FIRST TERM-2015 CHAPTER Unit I : Physical World and Measurement Unit II: Kinematics Unit III: Laws of Motion Unit IV : Work, Energy and Power Unit V: Motion of System of Particles
More informationPhysics Standard level Paper 1
Physics Standard level Paper 1 Friday 8 May 215 (morning) 45 minutes Instructions to candidates ydo not open this examination paper until instructed to do so. yanswer all the questions. yfor each question,
More informationPHYSICAL SCIENCES: PAPER I
NATIONAL SENIOR CERTIFICATE EXAMINATION NOVEMBER 2017 PHYSICAL SCIENCES: PAPER I Time: 3 hours 200 marks PLEASE READ THE FOLLOWING INSTRUCTIONS CAREFULLY 1. This question paper consists of 15 pages, an
More informationUNIVERSITY OF MANITOBA. All questions are of equal value. No marks are subtracted for wrong answers.
(3:30 pm 6:30 pm) PAGE NO.: 1 of 7 All questions are of equal value. No marks are subtracted for wrong answers. Record all answers on the computer score sheet provided. USE PENCIL ONLY! Black pen will
More informationWORK, ENERGY AND POWER
WORK, ENERGY AND POWER 4.1 Introduction Work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of force. 4. Work Done by a Constant Force
More information1. A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? A. 10 km B km C. 25 km D. 45 km E. 50 km
Name: Physics I Mid Term Exam Review Multiple Choice Questions Date: Mr. Tiesler 1. A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? A. 10 km B. 22.5 km C. 25 km D. 45 km
More informationAn ion follows a circular path in a uniform magnetic field. Which single change decreases the radius of the path?
T5-1 [237 marks] 1. A circuit is formed by connecting a resistor between the terminals of a battery of electromotive force (emf) 6 V. The battery has internal resistance. Which statement is correct when
More informationPhysics Midterm Review KEY
Name: Date: 1. Which quantities are scalar? A. speed and work B. velocity and force C. distance and acceleration D. momentum and power 2. A 160.-kilogram space vehicle is traveling along a straight line
More information5. A car moves with a constant speed in a clockwise direction around a circular path of radius r, as represented in the diagram above.
1. The magnitude of the gravitational force between two objects is 20. Newtons. If the mass of each object were doubled, the magnitude of the gravitational force between the objects would be A) 5.0 N B)
More informationPractice Final C. 1. The diagram below shows a worker using a rope to pull a cart.
1. The diagram below shows a worker using a rope to pull a cart. 6. The graph below represents the relationship between gravitational force and mass for objects near the surface of Earth. The worker s
More informationPHYSICS. SCIENCE Paper 1. Answers to this Paper must be written on the paper provided separately.
PHYSICS SCIENCE Paper 1 ( hour ) Answers to this Paper must be written on the paper provided separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading
More informationis acting on a body of mass m = 3.0 kg and changes its velocity from an initial
PHYS 101 second major Exam Term 102 (Zero Version) Q1. A 15.0-kg block is pulled over a rough, horizontal surface by a constant force of 70.0 N acting at an angle of 20.0 above the horizontal. The block
More information3.The wrecking crane shown is moving toward a brick wall that is to be torn down.
Test Name: Physics Practice Test Section 1 1.Which of the following best classifies a material that has extremely low conductivity? 1. A. semiconductor B. insulator C. metalloid D. conductor 2.Which of
More informationA mass is suspended by a string from a fixed point. The mass moves with constant speed along a circular path in a [1 mark] horizontal plane.
T6 [200 marks] 1. A mass is suspended by a string from a fixed point. The mass moves with constant speed along a circular path in a horizontal plane. The resultant force acting on the mass is A. zero.
More informationFATHER AGNEL SCHOOL, VAISHALI CLASS IX QUESTION BANK PHYSICS
Topic : MOTION 1. Define acceleration and state its SI unit. For motion along a straight line, when do we consider the acceleration to be (i) positive (ii) negative? Give an example of a body in uniform
More informationAP Physics C Summer Assignment Kinematics
AP Physics C Summer Assignment Kinematics 1. A car whose speed is 20 m/s passes a stationary motorcycle which immediately gives chase with a constant acceleration of 2.4 m/s 2. a. How far will the motorcycle
More informationPhysics-MC Page 1 of 29 Inertia, Force and Motion 1.
Physics-MC 2006-7 Page 1 of 29 Inertia, Force and Motion 1. 3. 2. Three blocks of equal mass are placed on a smooth horizontal surface as shown in the figure above. A constant force F is applied to block
More information2007 Problem Topic Comment 1 Kinematics Position-time equation Kinematics 7 2 Kinematics Velocity-time graph Dynamics 6 3 Kinematics Average velocity
2007 Problem Topic Comment 1 Kinematics Position-time equation Kinematics 7 2 Kinematics Velocity-time graph Dynamics 6 3 Kinematics Average velocity Energy 7 4 Kinematics Free fall Collisions 3 5 Dynamics
More information3) 4) Which car has the greatest acceleration during the time interval 10. seconds to 15 seconds? 1) A 2) B 3) C 4) D
1. A cart travels with a constant nonzero acceleration along a straight line. Which graph best represents the relationship between the distance the cart travels and time of travel? 1) 2) 3) 4) 2. On a
More informationΣF=ma SECOND LAW. Make a freebody diagram for EVERY problem!
PHYSICS HOMEWORK #31 SECOND LAW ΣF=ma NEWTON S LAWS Newton s Second Law of Motion The acceleration of an object is directly proportional to the force applied, inversely proportional to the mass of the
More informationRegents Physics. Physics Midterm Review - Multiple Choice Problems
Name Physics Midterm Review - Multiple Choice Problems Regents Physics 1. A car traveling on a straight road at 15.0 meters per second accelerates uniformly to a speed of 21.0 meters per second in 12.0
More informationWORK AND ENERGY. Question Bank in Science Class-IX (Term-II)
Question Bank in Science Class-IX (Term-II) 11 WORK AND ENERGY CONCEPTS 1. Work : Work is said to be done, when a force causes displacement in its own direction.. No work is done, if the displacement is
More informationgear gravity heat inclined plane
Equal and opposite forces which occur in pairs Upward force acting on objects when they are placed in water Substance which allows electric current to pass through it Force applied at one point of a machine
More informationv (m/s) 10 d. displacement from 0-4 s 28 m e. time interval during which the net force is zero 0-2 s f. average velocity from 0-4 s 7 m/s x (m) 20
Physics Final Exam Mechanics Review Answers 1. Use the velocity-time graph below to find the: a. velocity at 2 s 6 m/s v (m/s) 1 b. acceleration from -2 s 6 c. acceleration from 2-4 s 2 m/s 2 2 4 t (s)
More informationClass 11 GURU GOBIND SINGH PUBLIC SCHOOL PHYSICS CHAPTER 1: UNITS & MEASUREMENT
CHAPTER 1: UNITS & MEASUREMENT 1. Assuming that the mass (m) of the largest stone that can be moved by a flowing river depends only upon the velocity, the density ρ of water and the acceleration due to
More informationYear 7 Recall Booklet. Name: Class:
Year 7 Recall Booklet Name: Class: Energy Kinetic energy Moving things have kinetic energy. The heavier a thing is and the faster it moves the more kinetic energy it has. All moving things have kinetic
More information2. With the help of diagram explain the Edison s discovery of thermionic emission. Mention the observations and the conclusion.
Work Sheet - 1 1. Explain the following terms i) Bound Electrons ii) Conduction/free electrons iii) Work function iv) Thermionic emission 2. With the help of diagram explain the Edison s discovery of thermionic
More informationThe graph shows how an external force applied to an object of mass 2.0 kg varies with time. The object is initially at rest.
T2-2 [195 marks] 1. The graph shows how an external force applied to an object of mass 2.0 kg varies with time. The object is initially at rest. What is the speed of the object after 0.60 s? A. 7.0 ms
More informationForce, Energy & Periodic Motion. Preparation for unit test
Force, Energy & Periodic Motion Preparation for unit test Summary of assessment standards (Unit assessment standard only) In the unit test you can expect to be asked at least one question on each sub-skill.
More informationSlide 1 / A train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? 10 km 22.5 km 25 km 45 km 50 km
Slide 1 / 96 1 train moves at a constant velocity of 90 km/h. How far will it move in 0.25 h? 10 km 22.5 km 25 km 45 km 50 km Slide 2 / 96 2 bicyclist moves at a constant speed of 6 m/s. How long it will
More informationWork Done by a Constant Force
Work and Energy Work Done by a Constant Force In physics, work is described by what is accomplished when a force acts on an object, and the object moves through a distance. The work done by a constant
More informationTheme 2 - PHYSICS UNIT 2 Forces and Moments. A force is a push or a pull. This means that whenever we push or pull something, we are doing a force.
Forces A force is a push or a pull. This means that whenever we push or pull something, we are doing a force. Forces are measured in Newtons (N) after the great physicist Sir Isaac Newton. The instrument
More informationToday. Finish Ch. 6 on Momentum Start Ch. 7 on Energy
Today Finish Ch. 6 on Momentum Start Ch. 7 on Energy Next three lectures (Sep 16, 20, 23) : Energy (Ch7) and Rotation (Ch.8) will be taught by Dr. Yonatan Abranyos, as I will be away at a research conference
More informationTest Booklet. Subject: SC, Grade: HS 2008 Grade High School Physics. Student name:
Test ooklet Subject: S, Grade: HS 2008 Grade High School Physics Student name: uthor: North arolina istrict: North arolina Released Tests Printed: Monday July 09, 2012 1 n object is launched across a room.
More informationa. Change of object s motion is related to both force and how long the force acts.
0. Concept of Energy 1. Work. Power a. Energy is the most central concept underlying all sciences. Concept of energy is unknown to Isaac Newton. Its existence was still debated in the 1850s. Concept of
More informationWork and Energy. Intext Exercise 2
Intext Exercise 1 Question 1: A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on the object through the displacement.
More information1. (P2.1A) The picture below shows a ball rolling along a table at 1 second time intervals. What is the object s average velocity after 6 seconds?
PHYSICS FINAL EXAM REVIEW FIRST SEMESTER (01/2017) UNIT 1 Motion P2.1 A Calculate the average speed of an object using the change of position and elapsed time. P2.1B Represent the velocities for linear
More informationGrade XI. Physics Exam Preparation Booklet. Chapter-wise Important Questions. #GrowWithGreen
Grade XI Physics Exam Preparation Booklet Chapter-wise Important Questions #GrowWithGreen Units and Measurements Q1. After reading the physics book, Anamika recalled and noted down the expression for the
More informationPHYSICS MC 17 P 1 23
PHYSICS MC 17 P 1 23 MC 17 P 1 Section I (40 marks) (ll questions are compulsory) Question 1 (a) i) On what factor does the position of the centre of gravity of a body depend? ii) What is the S.I.unit
More informationEnergy and Work ASSIGNMENT EDULABZ
Energy and Work ASSIGNMENT 1. Fill in the blank spaces by choosing the correct words from the list given below : List : created, constant, destroyed, work, force, mechanical energy, displacement, K.E.,
More informationChapter 6 Work and Energy
Chapter 6 Work and Energy Units of Chapter 6 Work Done by a Constant Force Work Done by a Varying Force Kinetic Energy, and the Work-Energy Principle Potential Energy Conservative and Nonconservative Forces
More informationPhysics. Student Materials Advanced Higher. Tutorial Problems Mechanics HIGHER STILL. Spring 2000
Spring 2000 HIGHER STILL Physics Student Materials Advanced Higher Tutorial Problems Mechanics TUTORIAL 1 You will find tutorials on each topic. The fully worked out answers are available. The idea is
More informationLectures Chapter 6 (Cutnell & Johnson, Physics 7 th edition)
PH 201-4A spring 2007 Work and Energy Lectures 16-17 Chapter 6 (Cutnell & Johnson, Physics 7 th edition) 1 Work and Energy: Work done by a constant force Constant pushing force F pointing in the same direction
More informationPage 1. Name:
Name: 3834-1 - Page 1 1) If a woman runs 100 meters north and then 70 meters south, her total displacement is A) 170 m south B) 170 m north C) 30 m south D) 30 m north 2) The graph below represents the
More informationWORK, POWER AND ENERGY
WORK, POWER AND ENERGY Important Points:. Dot Product: a) Scalar product is defined as the product of the magnitudes of two vectors and the cosine of the angle between them. The dot product of two vectors
More informationGCSE PHYSICS REVISION LIST
GCSE PHYSICS REVISION LIST OCR Gateway Physics (J249) from 2016 Topic P1: Matter P1.1 Describe how and why the atomic model has changed over time Describe the structure of the atom and discuss the charges
More informationThe maximum kinetic energy is directly proportional to the frequency. The time for one oscillation is directly proportional to the frequency.
Q1.For a body performing simple harmonic motion, which one of the following statements is correct? The maximum kinetic energy is directly proportional to the frequency. The time for one oscillation is
More informationPhysics Test Review: Mechanics Session: Name:
Directions: For each statement or question, write in the answer box, the number of the word or expression that, of those given, best completes the statement or answers the question. 1. The diagram below
More information2) A car accelerates from 5.0 m/s to 21 m/s at a rate of 3.0 m/s 2. How far does it travel while accelerating? A) 207 m B) 117 m C) 41 m D) 69 m
Name VECTORS 1) An airplane undergoes the following displacements: First, it flies 59 km in a direction 30 east of north. Next, it flies 58 km due south. Finally, it flies 100 km 30 north of west. Using
More informationQ1. Which of the following is the correct combination of dimensions for energy?
Tuesday, June 15, 2010 Page: 1 Q1. Which of the following is the correct combination of dimensions for energy? A) ML 2 /T 2 B) LT 2 /M C) MLT D) M 2 L 3 T E) ML/T 2 Q2. Two cars are initially 150 kilometers
More informationGrade XI. Physics Mock Test. #GrowWithGreen
Grade XI Physics Mock Test #GrowWithGreen Mock Test Physics Questions General Instructions: (i) (ii) (iii) (iv) (v) (vi) (vii) The question paper comprises 4 Sections, A, B, C and D. You are to attempt
More informationPhysics 3204 Final Review (Based on June 2014 exam) Name:
Physics 3204 Final Review (Based on June 2014 exam) Name: Scan this QR code (or go to http://www.ed.gov.nl.ca/edu/k12/evaluation/physics3204/ june_2014_physics_3204_outcome_report.pdf) to see the Exam
More informationWORK & ENERGY. Work W = Fdcosα 1. A force of 25.0 Newtons is applied so as to move a 5.0 kg mass a distance of 20.0 meters. How much work was done?
PHYSICS HOMEWORK #41 Work W = Fdcosα 1. A force of 25.0 Newtons is applied so as to move a 5.0 kg mass a distance of 20.0 meters. How much work was done? 2. A force of 120 N is applied to the front of
More informationThe net force on a moving object is suddenly reduced to zero. As a consequence, the object
The net force on a moving object is suddenly reduced to zero. As a consequence, the object (A) stops abruptly (B) stops during a short time interval (C) changes direction (D) continues at a constant velocity
More informationChapter Work, Energy and Power. Q1. The co-efficient of restitution e for a perfectly elastic collision is [1988] (a) 1 (b) 0 (c) (d) 1 Ans: (a)
Chapter Work, Energy and Power Q1. The co-efficient of restitution e for a perfectly elastic collision is [1988] (a) 1 (b) 0 (c) (d) 1 Q2. A bullet of mass 10g leaves a rifle at an initial velocity of
More informationContents. Concept Map
Contents 1. General Notes on Forces 2. Effects of Forces on Motion 3. Effects of Forces on Shape 4. The Turning Effect of Forces 5. The Centre of Gravity and Stability Concept Map April 2000 Forces - 1
More informationMomentum, Impulse, Work, Energy, Power, and Conservation Laws
Momentum, Impulse, Work, Energy, Power, and Conservation Laws 1. Cart A has a mass of 2 kilograms and a speed of 3 meters per second. Cart B has a mass of 3 kilograms and a speed of 2 meters per second.
More informationUNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics
UNIVERSITY OF SASKATCHEWAN Department of Physics and Engineering Physics Physics 115.3 Physics and the Universe FINAL EXAMINATION December 9, 011 NAME: (Last) Please Print (Given) Time: 3 hours STUDENT
More information(1) (3)
1. This question is about momentum, energy and power. (a) In his Principia Mathematica Newton expressed his third law of motion as to every action there is always opposed an equal reaction. State what
More informationAP PHYSICS 1 Learning Objectives Arranged Topically
AP PHYSICS 1 Learning Objectives Arranged Topically with o Big Ideas o Enduring Understandings o Essential Knowledges o Learning Objectives o Science Practices o Correlation to Knight Textbook Chapters
More informationPhysics. Assignment-1(UNITS AND MEASUREMENT)
Assignment-1(UNITS AND MEASUREMENT) 1. Define physical quantity and write steps for measurement. 2. What are fundamental units and derived units? 3. List the seven basic and two supplementary physical
More informationPhysics for Scientists and Engineers 4th Edition, 2017
A Correlation of Physics for Scientists and Engineers 4th Edition, 2017 To the AP Physics C: Mechanics Course Descriptions AP is a trademark registered and/or owned by the College Board, which was not
More informationPhysics 130: Questions to study for midterm #1 from Chapter 7
Physics 130: Questions to study for midterm #1 from Chapter 7 1. Kinetic energy is defined to be one-half the a. mass times the speed. b. mass times the speed squared. c. mass times the acceleration. d.
More information7. Two forces are applied to a 2.0-kilogram block on a frictionless horizontal surface, as shown in the diagram below.
1. Which statement about the movement of an object with zero acceleration is true? The object must be at rest. The object must be slowing down. The object may be speeding up. The object may be in motion.
More informationForces Review. A. less than the magnitude of the rock s weight, but greater than zero A. 0 B. 45 C. 90. D. 180.
Name: ate: 1. Two 20.-newton forces act concurrently on an object. What angle between these forces will produce a resultant force with the greatest magnitude?. 0 B. 45 C. 90.. 180. 5. rock is thrown straight
More informationChapter 5 Circular Motion; Gravitation
Chapter 5 Circular Motion; Gravitation Units of Chapter 5 Kinematics of Uniform Circular Motion Dynamics of Uniform Circular Motion Highway Curves, Banked and Unbanked Newton s Law of Universal Gravitation
More informationAP Physics C Mechanics Objectives
AP Physics C Mechanics Objectives I. KINEMATICS A. Motion in One Dimension 1. The relationships among position, velocity and acceleration a. Given a graph of position vs. time, identify or sketch a graph
More information2014 Physics Exam Review
Name: ate: 1. The diagrams below show a model airplane. Which energy transformation occurs in a rubber band powered model airplane when it is flown?. Thermal energy stored in the rubber band is transformed
More information2015 ENGINEERING MECHANICS
Set No - 1 I B. Tech I Semester Supplementary Examinations Aug. 2015 ENGINEERING MECHANICS (Common to CE, ME, CSE, PCE, IT, Chem E, Aero E, AME, Min E, PE, Metal E) Time: 3 hours Max. Marks: 70 Question
More informationForms of Energy. What is energy? Energy is the amount of work that can be done by a force. What is a measure of energy? Joule.
Forms of Energy What is energy? Energy is the amount of work that can be done by a force. What is a measure of energy? Joule. Major Classes of Energy 1. Kinetic energy (E k ) is the work needed to accelerate
More informationEnergy Unit Test * Required
Energy Unit Test * Required 1. First and Last Name 2. Class Period 2nd 4th Forms of Energy Standard 6.PS3.1 Analyze the properties and compare sources of kinetic, elastic potential, gravitational potential,
More informationWhat is the maximum mass, in grams, that could be measured by this balance?
1. A student examined a rock sample and described it as having particles of various colors that were 1 millimeter to 12 millimeters in size. The student was making (1) an inference (3) a prediction (2)
More informationproduce sugar, which contains stored chemical energy. Most of the energy that we use on Earth originally came from the Sun.
Conservation of Energy Energy can be in many different forms. Students should know sources and properties of the following forms of energy: Heat energy is the transfer of thermal energy (energy that is
More informationPractice 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 informationExam 3 PREP Chapters 6, 7, 8
PHY241 - General Physics I Dr. Carlson, Fall 2013 Prep Exam 3 PREP Chapters 6, 7, 8 Name TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 1) Astronauts in orbiting satellites
More informationMomentum, Impulse, Work, Energy, Power, and Conservation Laws
Momentum, Impulse, Work, Energy, Power, and Conservation Laws 1. Cart A has a mass of 2 kilograms and a speed of 3 meters per second. Cart B has a mass of 3 kilograms and a speed of 2 meters per second.
More informationDelhi Public School, Jammu Question Bank ( )
Class : XI Delhi Public School, Jammu Question Bank (2017 18) Subject : Physics 1. When real gases obey the ideal gas equation pv = RT? Ans. a) Low pressure b) High temperature 2. Give reason: Though earth
More informationICSE Board Class IX Physics Paper 2
ICSE Board Class IX Physics Paper 2 Time: 2 hrs Total Marks: 80 General Instructions: 1. Answers to this paper must be written on the paper provided separately. 2. You will not be allowed to write during
More informationCutnell/Johnson Physics
Cutnell/Johnson Physics Classroom Response System Questions Chapter 5 Dynamics of Uniform Circular Motion Interactive Lecture Questions 5.1.1. An airplane flying at 115 m/s due east makes a gradual turn
More informationPHYSICS LAWS OF MOTION CLASS: XI
In this chapter we will study the cause of motion of bodies, the factors affecting motion of body such as force, friction, mass etc. The branch of physics which deals with the study of motion of object
More informationLESSON 2.10 Understanding work, energy, power and efficiency.
LESSON 2.10 Understanding work, energy, power and efficiency. Work(W),Enegy(E) and Power (P) and Effiecency Example 2 Figure shows an ice cube is pulled by a force 20N At an angle of 60 o to the surface
More informationRELEASED. Go to next page. 2. The graph shows the acceleration of a car over time.
1. n object is launched across a room. How can a student determine the average horizontal velocity of the object using a meter stick and a calculator? The student can calculate the object s initial potential
More informationPHY218 SPRING 2016 Review for Final Exam: Week 14 Final Review: Chapters 1-11, 13-14
Final Review: Chapters 1-11, 13-14 These are selected problems that you are to solve independently or in a team of 2-3 in order to better prepare for your Final Exam 1 Problem 1: Chasing a motorist This
More informationSample Physics Placement Exam
Sample Physics 130-1 Placement Exam A. Multiple Choice Questions: 1. A cable is used to take construction equipment from the ground to the top of a tall building. During the trip up, when (if ever) is
More informationBase your answers to questions 5 and 6 on the information below.
1. A car travels 90. meters due north in 15 seconds. Then the car turns around and travels 40. meters due south in 5.0 seconds. What is the magnitude of the average velocity of the car during this 20.-second
More informationPHYS 101 Previous Exam Problems. Kinetic Energy and
PHYS 101 Previous Exam Problems CHAPTER 7 Kinetic Energy and Work Kinetic energy Work Work-energy theorem Gravitational work Work of spring forces Power 1. A single force acts on a 5.0-kg object in such
More informationPhysics. Chapter 8 Rotational Motion
Physics Chapter 8 Rotational Motion Circular Motion Tangential Speed The linear speed of something moving along a circular path. Symbol is the usual v and units are m/s Rotational Speed Number of revolutions
More information