Motion and kinematics - Question Bank

1. The time taken for a projectile to reach its maximum height is:
A) Equal to the time taken to fall back.
B) Half the total time of flight.
C) Twice the time taken to fall back.
D) Independent of gravity.
2. Which of the following statements is true for an object moving in a circle at a constant speed?
A) Its velocity is constant.
B) Its acceleration is zero.
C) Its velocity is changing.
D) Its displacement is always zero.
3. What is the unit of distance in the CGS system?
A) Meter
B) Kilometer
C) Centimeter
D) Inch
4. If an object moves with constant acceleration, its velocity changes by equal amounts in:
A) Equal time intervals
B) Unequal time intervals
C) Any time interval
D) Zero time intervals
5. The distance covered by an object moving with uniform velocity is directly proportional to:
A) Its acceleration
B) Its initial velocity
C) The time interval
D) Its displacement
6. Which type of motion is characterized by a changing velocity?
A) Uniform motion
B) Rest
C) Non-uniform motion
D) Circular motion at constant speed
7. In the equation v^2 = u^2 + 2as, 's' represents:
A) Speed
B) Time
C) Displacement
D) Acceleration
8. What is the average speed of an object that travels 100 meters in 10 seconds and then returns to the starting point in 10 seconds?
A) 5 m/s
B) 10 m/s
C) 0 m/s
D) 20 m/s
9. Which of the following equations is NOT a standard equation of motion for uniform acceleration?
A) v = u + at
B) s = ut + 1/2 at^2
C) v^2 = u^2 + 2as
D) s = vt + 1/2 at^2
10. If the displacement of an object is zero, it means:
A) The object has not moved at all.
B) The object has returned to its starting position.
C) The object has moved in a straight line.
D) The object has covered zero distance.
11. The speed of an object is the magnitude of its:
A) Acceleration
B) Momentum
C) Velocity
D) Displacement
12. When an object is dropped from a height, neglecting air resistance, its motion is an example of:
A) Uniform velocity
B) Uniform acceleration
C) Non-uniform velocity
D) Zero acceleration
13. What is the unit of velocity in the SI system?
A) m/s^2
B) m
C) s
D) m/s
14. A person walks 5 meters east and then 5 meters north. What is their displacement?
A) 0 meters
B) 5 meters
C) 5√2 meters
D) 10 meters
15. Which equation of motion relates final velocity (v), initial velocity (u), and acceleration (a)?
A) s = ut + 1/2 at^2
B) v = u + at
C) v^2 = u^2 + 2as
D) s = (u+v)/2 * t
16. What does the term 'kinematics' study in physics?
A) The causes of motion
B) The effects of forces on motion
C) The description of motion without considering its causes
D) The energy associated with motion
17. If an object is moving with uniform velocity, its acceleration is:
A) Positive
B) Negative
C) Zero
D) Variable
18. What is the SI unit of distance?
A) Centimeter
B) Kilometer
C) Meter
D) Mile
19. The motion of a pendulum is an example of:
A) Uniform motion
B) Linear motion
C) Oscillatory motion
D) Rotational motion
20. Which of the following is a scalar quantity?
A) Acceleration
B) Velocity
C) Force
D) Distance
21. A car travelling at 20 m/s applies brakes and comes to rest in 5 seconds. What is its acceleration?
A) 4 m/s^2
B) -4 m/s^2
C) 2 m/s^2
D) -2 m/s^2
22. What is the term for the straight-line distance between the initial and final positions of an object?
A) Distance
B) Path length
C) Displacement
D) Trajectory
23. If the speed of an object is constant, its acceleration is:
A) Always zero
B) Zero only if it moves in a straight line
C) Non-zero if the direction changes
D) Always non-zero
24. Which quantity has both magnitude and direction?
A) Distance
B) Speed
C) Mass
D) Velocity
25. A runner completes one lap of a circular track of radius 50 meters in 20 seconds. What is the runner's average velocity for one lap?
A) 5 m/s
B) 2.5 m/s
C) Zero
D) 10 m/s
26. Which equation of motion relates displacement (s), initial velocity (u), and time (t)?
A) v = u + at
B) s = ut + 1/2 at^2
C) v^2 = u^2 + 2as
D) s = (u+v)/2 * t
27. If an object's velocity is changing, it means the object is:
A) At rest
B) Moving with uniform velocity
C) Accelerating
D) Covering zero distance
28. The rate of change of displacement is called:
A) Speed
B) Velocity
C) Acceleration
D) Momentum
29. Which of the following is an example of non-uniform motion?
A) A car moving at a constant speed on a straight road
B) A train moving on a straight track with increasing speed
C) A planet revolving around the sun
D) A ball dropped from a height
30. What does the area under a velocity-time graph represent?
A) Acceleration
B) Displacement
C) Distance
D) Time
31. If a car starts from rest and accelerates uniformly at 2 m/s^2 for 5 seconds, what is its final velocity?
A) 5 m/s
B) 10 m/s
C) 20 m/s
D) 25 m/s
32. Which quantity is defined as the change in position of an object?
A) Speed
B) Velocity
C) Displacement
D) Distance
33. The magnitude of displacement can be equal to the distance travelled only when:
A) The object moves in a circular path
B) The object moves back and forth
C) The object moves in a straight line without changing direction
D) The object is at rest
34. When an object moves with uniform acceleration, its velocity-time graph is a:
A) Straight line passing through the origin
B) Straight line with a non-zero slope
C) Curved line
D) Horizontal line
35. What is the unit of acceleration in the SI system?
A) m/s
B) m/s^2
C) N
D) kg m/s
36. Which of the following describes a state of rest?
A) Velocity is non-zero
B) Velocity is zero
C) Acceleration is non-zero
D) Displacement is non-zero
37. A particle is moving with uniform velocity. This means:
A) Its speed is constant, and direction is constant.
B) Its speed is constant, but direction may change.
C) Its speed may change, but direction is constant.
D) Its speed is zero, and direction is constant.
38. What is the term for the total length of the path covered by a moving object?
A) Displacement
B) Distance
C) Velocity
D) Speed
39. If a car travels 100 meters in 10 seconds, what is its average speed?
A) 5 m/s
B) 10 m/s
C) 20 m/s
D) 100 m/s
40. Which equation of motion relates final velocity (v), initial velocity (u), acceleration (a), and time (t)?
A) v = u + at
B) s = ut + 1/2 at^2
C) v^2 = u^2 + 2as
D) s = (u+v)/2 * t
41. The area under the acceleration-time graph represents:
A) Distance
B) Velocity
C) Change in velocity
D) Acceleration
42. When an object is thrown vertically upwards, its acceleration is:
A) Zero at the highest point
B) Zero throughout the motion
C) Constant and directed downwards
D) Variable, depending on height
43. What is the unit of speed in the CGS system?
A) Meter per second
B) Centimeter per second
C) Kilometer per hour
D) Mile per hour
44. The distance between two points in space is a measure of:
A) Displacement
B) Velocity
C) Speed
D) Distance
45. Which of the following is a vector quantity?
A) Speed
B) Distance
C) Velocity
D) Mass
46. If an object covers equal distances in equal intervals of time, its motion is said to be:
A) Uniform velocity
B) Non-uniform velocity
C) Uniform acceleration
D) Non-uniform acceleration
47. What does the slope of a velocity-time graph represent?
A) Distance travelled
B) Displacement
C) Acceleration
D) Time taken
48. A body moving in a circular path with constant speed is experiencing:
A) Zero acceleration
B) Tangential acceleration
C) Centripetal acceleration
D) Both tangential and centripetal acceleration
49. Which quantity represents the rate of change of velocity?
A) Speed
B) Acceleration
C) Momentum
D) Force
50. What is the SI unit of displacement?
A) Meter
B) Kilogram
C) Second
D) Ampere
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