Class 11 Physics (Part I) Chapter 2 Kinematics Quiz 11 (60 MCQs)

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1. Two stones are released from rest at a certain height, one a short time after the other. As they fall, will the difference in their speeds
2. Meters per second is the unit for which physics concept?
3. As a planet gets farther away from its star, its speed will ..... and its total momentum & total energy will .....
4. Which of the following quantities is PATH DEPENDENT?
5. What does the strength of gravity between two objects depend upon?
6. A child walks 5 meters north, then 4 meters east, and finally 2 meters south. What is the magnitude of the resultant displacement of the child after the entire walk?
7. Which of the following is not a scalar?
8. Rev/min is equivalent to which of the following?
9. Which Branch of Physics is most important when determining how much voltage is produced by a wind turbine?
10. A quantity with both magnitude and direction is .....
11. Is defined as the change in position of an object. It is a vector quantity and has a direction and magnitude.
12. What is displacement? (taking the same example)
13. A rotating platform has an angular velocity of $6 \, \text{rad/s}$ $3 \, \text{s}$
14. How does acceleration affect motion in kinematics?
15. On an airless planet, an astronaut drops a hammer from rest at a height of 15 m. The hammer hits the ground in 1 s. What is the acceleration due to the gravity on this planet?
16. For a free falling body, initial velocity is
17. A baseball catcher throws a ball vertically upward and catches it in the same spot as it returns to the mitt. At what point in the ball's path does it experience zero velocity and nonzero acceleration at the same time?
18. If an object is in free fall for three seconds, how fast will it be falling?
19. A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30$^\circ$ above the horizontal. What is the horizontal component of its velocity at the highest point of its trajectory?
20. A disk starts from rest and rotates with a constant angular acceleration of $2\, \text{rad/s}^2$
21. The physical quantities for which both magnitude and direction.
22. A train travels 6 meters in the first second of travel, 6 meters again during the second second of travel, 6 meters again during the third second. What's the train's acceleration?
23. What two tools would you need to find the speed of a walker
24. A group of scientist dropped a car and a feather in vacuum chamber which of the following are the correct observation?
25. The unit we use to measure time is .....
26. A 80.0 kg passenger i s seated 12 m from the center of the loop of a roller coaster. What centripetal force does the passenger experience when the roller coaster reaches an angular speed of 3.14 rad/s?
27. The size of the gravitational force between twoobjects depends on their .....
28. What is the approximate final velocity of an object that accelerates at a rate of 10 m/s every second, for 10 seconds?
29. Which of the following describes one-dimensional motion?
30. If an object has a negative $\omega$ $\tau$
31. 3 m/s north is an example of a(n) .....
32. A man is driving a car at a constant velocity of 55 mi/h. If he looks down at his phone for 2.2s how far has the car moved?
33. An object is thrown into the air at 60 m/s, straight up. What is its velocity at the highest point?
34. What is the branch of Physics that deals with the study of motion of physical bodies?
35. An ostrich runs 204 meters in 12 seconds. What was the ostrich's velocity?
36. What is velocity?
37. An object is thrown into the air at 60 m/s, straight up. What is its acceleration at the highest point?
38. What is the equation for the angular momentum of a point object moving in a straight line?
39. What is the value of acceleration due to gravity?
40. A torque of $5\, \text{Nm}$ $0.25\, \text{m}$
41. What would happen to the length of one day if Earth's moment of inertia were to increase?
42. Time, in older days, was measured using
43. A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s$^{2}$. Determine the time for the feather to fall to the surface of the moon.Which number represents time?
44. An object is dropped from a height of 80 meters. Assuming no air resistance, how long does it take to reach the ground? (Use $g = 9.8 \, m/s^2$
45. What is true about the horizontal velocity of a projectile.
46. An object sliding down a frictionless incline will reach the bottom ..... than a rolling object released from the same height.
47. Write in scientific notation.-318000
48. Which is a vector?
49. Mr. McAliley walks 5 meters forward, then turns around and walks 5 meters backward. What is his distance traveled?
50. Which of the following quantities is PATH INDEPENDENT?
51. A man drives his car at 20 m/s for 3 hours how far did he travel in KM
52. What is the shortest distance between the start and end point of a journey?
53. The position of an object is given by the equation x = 3.0 t2 + 1.5 t + 4.5, where x is in meters and t is in seconds. What is the instantaneous acceleration of the object at t = 3.0 s?
54. What values are always known for a free falling object?
55. The unit of acceleration is
56. What is the formula for displacement?
57. True or False:Distance is calculated by final position minus initial position.
58. One possible unit of speed is
59. On the moon, a feather dropped from rest from a height of 2 meters reaches the surface in 1.57 seconds. What is the acceleration of gravity on the moon?
60. A ball is thrown horizontally at 10 m/s. The ball hits the ground 5 s later. From what height was the ball thrown?