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General Physics Review

General Physics Review. Fall 2006. General Physics Review. Question 1 The displacement of an object for a round trip between two locations 1. is always greater than zero. 2. is always less than zero. 3. is zero. 4. can be greater than or less than but not zero.

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General Physics Review

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  1. General Physics Review Fall 2006

  2. General Physics Review Question 1 The displacement of an object for a round trip between two locations 1. is always greater than zero. 2. is always less than zero. 3. is zero. 4. can be greater than or less than but not zero. 5. can have any value.

  3. General Physics Review Question 1 The displacement of an object for a round trip between two locations 1. is always greater than zero. 2. is always less than zero. 3. is zero. 4. can be greater than or less than but not zero. 5. can have any value.

  4. General Physics Review Question 2 Average velocity is defined as 1. change in distance divided by change in time. 2. position divided by change in time. 3. displacement divided by change in time. 4. displacement divided by time. 5. More than one of the above answers is correct.

  5. General Physics Review Question 2 Average velocity is defined as 1. change in distance divided by change in time. 2. position divided by change in time. 3. displacement divided by change in time. 4. displacement divided by time. 5. More than one of the above answers is correct.

  6. General Physics Review Question 3 The slope of a straight line in a velocity vrs time graph is 1. the average velocity. 2. the average acceleration 3. the displacement. 4. the position. 5. not defined.

  7. General Physics Review Question 3 The slope of a straight line in a velocity vrs time graph is 1. the average velocity. 2. the average acceleration 3. the displacement. 4. the position. 5. not defined.

  8. General Physics Review Question 4 An object, located at the origin when t = 0, moves along the x axis as shown. At which point is the object farthest from its starting point? 1. A 2. B 3. C 4. D 5. E

  9. General Physics Review Question 4 An object, located at the origin when t = 0, moves along the x axis as shown. At which point is the object farthest from its starting point? 1. A 2. B 3. C 4. D 5. E

  10. General Physics Review Question 5Which graph of v versus t best describes the motion of a particle whose velocity is constant and negative?

  11. General Physics Review Question 5Which graph of v versus t best describes the motion of a particle whose velocity is constant and negative?

  12. General Physics Review Question 6The graph shows how the position of a particle depends on time. Which choice is closest to the average speed of the particle in the time interval between 0 and 6 s? 1. 0.40 m/s 2. 0.67 m/s 3. 0.75 m/s 4. 1.50 m/s 5. 2.22

  13. General Physics Review Question 6The graph shows how the position of a particle depends on time. Which choice is closest to the average speed of the particle in the time interval between 0 and 6 s? 1. 0.40 m/s 2. 0.67 m/s 3. 0.75 m/s 4. 1.50 m/s 5. 2.22

  14. General Physics Review Question 7 The graph represents the displacement of a particle along the axis as a function of time. The point where the instantaneous velocity of this particle is the largest is 1. a 3. b 4. c 4. d 5. e

  15. General Physics Review Question 7 The graph represents the displacement of a particle along the axis as a function of time. The point where the instantaneous velocity of this particle is the largest is 1. a 3. b 4. c 4. d 5. e

  16. General Physics Review Question 8 When a particle moves in a circle with constant speed, its acceleration is 1. constantly increasing 2. constant in direction 3. zero 4. constant in magnitude 5. constant in magnitude and direction

  17. v a General Physics Review Question 8 When a particle moves in a circle with constant speed, its acceleration is 1. constantly increasing 2. constant in direction 3. zero 4. constant in magnitude 5. constant in magnitude and direction

  18. General Physics Review Question 9 A car going around a curve of radius R at a speed v experiences an acceleration a. What is its acceleration? 1. v/R 2. v2R 3. v2/R2 4. v2/R 5. None of the above.

  19. v a General Physics Review Question 9 A car going around a curve of radius R at a speed v experiences an acceleration a. What is its acceleration? 1. v/R 2. v2R 3. v2/R2 4. v2/R 5. None of the above.

  20. General Physics Review Question 10 A car experiences both a centripetal and a tangential acceleration. For which of the following would this be true? 1. it is going around a curve at a constant speed 2. it is going around a curve and slowing down 3. it is going along a straight road at a constant speed 4. it is going along a straight road and increasing its speed 5. it is going along a straight road and decreasing its speed

  21. v at ac General Physics Review Question 10 A car experiences both a centripetal and a tangential acceleration. For which of the following would this be true? 1. it is going around a curve at a constant speed 2. it is going around a curve and slowing down 3. it is going along a straight road at a constant speed 4. it is going along a straight road and increasing its speed 5. it is going along a straight road…

  22. General Physics Review Question 11 Acceleration ____________ velocity changes only the magnitude of the velocity not its direction. 1. perpendicular to 2. in the direction of the 3. in the opposite direction to the 4. colinear to 5. None of the above.

  23. General Physics Review Question 11 Acceleration ____________ velocity changes only the magnitude of the velocity not its direction. 1. perpendicular to 2. in the direction of the 3. in the opposite direction to the 4. colinear to 5. None of the above.

  24. General Physics Review Question 12 If, at an instant, an object is moving west, its acceleration 1. is north 2. is east 3. is west 4. is south 5. May be any direction.

  25. General Physics Review Question 12 If, at an instant, an object is moving west, its acceleration 1. is north 2. is east 3. is west 4. is south 5. May be any direction.

  26. General Physics Review Question 13 The component of a vector A in the x-direction, making an angle q with the x-axis is 1. A*sin q 2. A*cos q 3. A*cos 2q 4. A*sec q 5. None of the above.

  27. y A q Ax x General Physics Review Question 13 The component of a vector A in the x-direction, making an angle q with the x-axis is 1. A*sin q 2. A*cos q 3. A*cos 2q 4. A*sec q 5. None of the above.

  28. General Physics Review Question 14 Given vector A, the vector 3A 1. has a magnitude 3 times that of A 2. points in the same direction as A 3. has components each of which is 3 times those of A 4. makes the same angle with a given axis as does A 5. Is described by all of these.

  29. y 3A A q Ax 3Ax x General Physics Review Question 14 Given vector A, the vector 3A 1. has a magnitude 3 times that of A 2. points in the same direction as A 3. has components each of which is 3 times those of A 4. makes the same angle with a given axis as does A 5. Is described by all of these.

  30. General Physics Review Question 15 Which of the following vector equations correctly describes the relationship among the vectors shown in the figure? 1. A + B - C = 0 2. A - B + C = 0 3. A - B - C = 0 4. A + B + C = 0 5. None of these equations is correct

  31. General Physics Review Question 15 Which of the following vector equations correctly describes the relationship among the vectors shown in the figure? 1. A + B - C = 0 2. A - B + C = 0 3. A - B - C = 0 4. A + B + C = 0 5. None of these equations is correct

  32. General Physics Review Question 16 Newton’s Second Law states The rate at which a body’s momentum changes is equal to the ________ acting on the body 1. force 2. object force 3. net external force 4. internal force 5. None of the above

  33. General Physics Review Question 16 Newton’s Second Law states The rate at which a body’s momentum changes is equal to the ________ acting on the body 1. force 2. object force 3. net external force 4. internal force 5. None of the above

  34. General Physics Review Question 17 Momentum is defined as 1. mv2 2. (1/2)mv2 3. mv 4. mv 5. None of the above.

  35. General Physics Review Question 17 Momentum is defined as 1. mv2 2. (1/2)mv2 3. mv 4. mv 5. None of the above.

  36. General Physics Review Question 18 A body moves with constant speed in a straight line. Which of the following statements must be true? 1. No force acts on the body 2. A single constant force acts on the body in the direction of motion 3. A single constant force acts on the body in the direction opposite to the motion 4. A net force of zero acts on the body 5. A constant net force acts on the body in the direction of motion

  37. General Physics Review Question 18 A body moves with constant speed in a straight line. Which of the following statements must be true? 1. No force acts on the body 2. A single constant force acts on the body in the direction of motion 3. A single constant force acts on the body in the direction opposite to the motion 4. A net force of zero acts on the body 5. A constant net force acts on the body in the direction of motion

  38. General Physics Review Question 19 A velocity vector has an x component of +5.5 m / s and a y component of -3.5 m / s. The diagram that gives the direction of the vector is 1. 2. 3. 4. 5. none of these

  39. General Physics Review Question 19 A velocity vector has an x component of +5.5 m/s and a y component of -3.5 m/s. The diagram that gives the direction of the vector is 1. 2. 3. 4. 5. none of these

  40. General Physics Review Question 20 The system in the figure consists of a steel ball attached by a cord to a large block of wood. If the system is dropped in a vacuum, the force in the cord is 1. zero 2. equal to the difference of the masses of B and W 3. equal to the difference of the weights of B and W 4. equal to the weight of B 5. equal to the sum of the weights of B and W

  41. General Physics Review Question 20 The system in the figure consists of a steel ball attached by a cord to a large block of wood. If the system is dropped in a vacuum, the force in the cord is 1. zero 2. equal to the difference of the masses of B and W 3. equal to the difference of the weights of B and W 4. equal to the weight of B 5. equal to the sum of the weights of B and W

  42. General Physics Review Question 21 A boy holds a bird in his hand. The reaction force to the weight of the bird is the force of the 1. earth on the bird 2. bird on the earth 3. hand on the bird 4. bird on the hand 5. earth on the hand

  43. General Physics Review Question 21 A boy holds a bird in his hand. The reaction force to the weight of the bird is the force of the 1. earth on the bird 2. bird on the earth 3. hand on the bird 4. bird on the hand 5. earth on the hand

  44. General Physics Review Question 22 A projectile is fired at an angle of 450 above the horizontal. If air resistance is neglected, the line in the graph that best represents the horizontal displacement of the projectile as a function of travel time is 1. 2. 3. 4. 5.

  45. General Physics Review Question 22 A projectile is fired at an angle of 450 above the horizontal. If air resistance is neglected, the line in the graph that best represents the horizontal displacement of the projectile as a function of travel time is 1. 1 2. 2 3. 3 4. 4 5. 5

  46. General Physics Review • Question 23 • A ball is thrown horizontally from a cliff with a velocity v(0). A graph of the acceleration of the ball versus the distance fallen could be represented by curve • 1 • 2 • 3 • 4 • 5

  47. General Physics Review • Question 23 • A ball is thrown horizontally from a cliff with a velocity v(0). A graph of the acceleration of the ball versus the distance fallen could be represented by curve • 1 • 2 • 3 • 4 • 5

  48. General Physics Review Question 24 The kinetic energy of on object is 1. mv 2. mv2 3. (1/2)mv2 4. FDx 5. More than one of the above

  49. General Physics Review Question 24 The kinetic energy of on object is 1. mv 2. mv2 3. (1/2)mv2 4. FDx 5. More than one of the above

  50. General Physics Review Question 25 A body of mass m slides a distance d along a horizontal surface. How much work is done by gravity? 1. mgd 2. zero 3. -mgd 4. One cannot tell from the given information 5. None of these answers is correct

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