MCQs
1. Motion in a straight line is also called:
A. Circular motion
B. Oscillatory motion
C. Linear motion
D. Rotational motion
Answer: C
2. An object is said to be in motion if:
A. Its shape changes
B. Its colour changes
C. Its position changes with time
D. Its mass changes
Answer: C
3. The fixed point used to describe the position of an object is called:
A. Axis
B. Reference point
C. Displacement
D. Origin only
Answer: B
4. Which quantity requires both magnitude and direction?
A. Distance
B. Speed
C. Displacement
D. Time
Answer: C
5. The SI unit of displacement is:
A. m/s
B. km/h
C. metre
D. second
Answer: C
6. Distance travelled is always:
A. Less than displacement
B. Equal to displacement
C. Greater than or equal to displacement
D. Zero
Answer: C
7. The displacement of an object becomes zero when:
A. It moves fast
B. It moves slowly
C. Initial and final positions are same
D. Distance travelled is zero
Answer: C
8. Average speed is defined as:
A. Displacement ÷ time
B. Distance ÷ time
C. Velocity × time
D. Acceleration × time
Answer: B
9. The SI unit of average velocity is:
A. m/s
B. m
C. s
D. m/s²
Answer: A
10. Velocity differs from speed because velocity has:
A. Mass
B. Direction
C. Time
D. Magnitude only
Answer: B
11. A body moving with constant speed in one direction has:
A. Constant velocity
B. Changing velocity
C. Zero displacement
D. Infinite acceleration
Answer: A
12. Average acceleration is:
A. Distance ÷ time
B. Velocity ÷ distance
C. Change in velocity ÷ time
D. Force ÷ mass
Answer: C
13. The SI unit of acceleration is:
A. m/s
B. m/s²
C. m²/s
D. km/h
Answer: B
14. When the velocity of an object decreases, acceleration acts:
A. In the direction of velocity
B. Opposite to velocity
C. Vertically upward
D. Randomly
Answer: B
15. A vehicle moving with constant velocity has:
A. Constant acceleration
B. Increasing acceleration
C. Zero acceleration
D. Infinite acceleration
Answer: C
16. The acceleration due to gravity on Earth is approximately:
A. 5 m/s²
B. 8 m/s²
C. 9.8 m/s²
D. 15 m/s²
Answer: C
17. A straight-line position–time graph indicates:
A. Constant acceleration
B. Constant velocity
C. Zero displacement
D. Circular motion
Answer: B
18. A curved position–time graph represents:
A. Uniform motion
B. Stationary object
C. Changing velocity
D. Zero acceleration
Answer: C
19. The slope of a position–time graph gives:
A. Acceleration
B. Distance
C. Velocity
D. Time
Answer: C
20. A horizontal line on a position–time graph indicates:
A. Constant acceleration
B. Object at rest
C. Increasing speed
D. Circular motion
Answer: B
21. The slope of a velocity–time graph gives:
A. Distance
B. Speed
C. Acceleration
D. Position
Answer: C
22. The area under a velocity–time graph gives:
A. Acceleration
B. Displacement
C. Speed
D. Force
Answer: B
23. A horizontal velocity–time graph represents:
A. Constant velocity
B. Increasing velocity
C. Decreasing velocity
D. Circular motion
Answer: A
24. Which equation represents the first equation of motion?
A. v² = u² + 2as
B. s = ut + ½at²
C. v = u + at
D. s = vt
Answer: C
25. Which equation is used to calculate displacement in uniformly accelerated motion?
A. v = u + at
B. s = ut + ½at²
C. v² = u² + 2as
D. a = v/t
Answer: B
26. In the equation v² = u² + 2as, ‘a’ represents:
A. Speed
B. Area
C. Acceleration
D. Average velocity
Answer: C
27. Which quantity is scalar?
A. Velocity
B. Displacement
C. Acceleration
D. Distance
Answer: D
28. Speedometer of a vehicle measures:
A. Distance
B. Speed
C. Acceleration
D. Displacement
Answer: B
29. Uniform motion occurs when an object travels:
A. Unequal distances in equal intervals of time
B. Equal distances in equal intervals of time
C. Equal distances in unequal intervals of time
D. Random distances
Answer: B
30. Which graph is obtained for an object moving with constant acceleration?
A. Curved velocity–time graph
B. Straight-line velocity–time graph
C. Horizontal position–time graph
D. Circular graph
Answer: B
Assertion–Reason MCQs
31.
Assertion (A): Displacement can be zero even if distance travelled is not zero.
Reason (R): Displacement depends on initial and final positions only.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
32.
Assertion (A): Velocity is a vector quantity.
Reason (R): Velocity has both magnitude and direction.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
33.
Assertion (A): The slope of a velocity–time graph gives acceleration.
Reason (R): Slope represents rate of change of velocity with time.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
34.
Assertion (A): A body can move with high speed but zero acceleration.
Reason (R): Acceleration depends on change in velocity, not on velocity itself.
A. Both A and R are true, and R explains A
B. Both A and R are true, but R does not explain A
C. A is true but R is false
D. A is false but R is true
Answer: A
Case-Based MCQs
Case Study 1
A student walks 20 m east and then 20 m west, returning to the starting point.
35. Total distance travelled by the student is:
A. 0 m
B. 20 m
C. 40 m
D. 10 m
Answer: C
36. The displacement of the student is:
A. 40 m east
B. 20 m west
C. 20 m east
D. 0 m
Answer: D
37. Which quantity becomes zero?
A. Distance
B. Speed
C. Displacement
D. Time
Answer: C
Case Study 2
A car moves with velocity increasing uniformly from 0 m/s to 20 m/s in 10 seconds.
38. The acceleration of the car is:
A. 0.5 m/s²
B. 1 m/s²
C. 2 m/s²
D. 4 m/s²
Answer: C
a=\frac{v-u}{t}=\frac{20-0}{10}=2\ \mathrm{m/s^2}
39. The motion of the car is:
A. Uniform motion
B. Accelerated motion
C. Circular motion
D. Oscillatory motion
Answer: B
Competency-Based MCQs
40. A runner completes one full round of a circular track and returns to the starting point. Which statement is correct?
A. Distance and displacement both are zero
B. Distance is zero but displacement is not zero
C. Displacement is zero but distance is not zero
D. Both are equal
Answer: C
41. A bus moving at constant speed suddenly applies brakes. What happens to acceleration?
A. It becomes zero
B. It acts in the direction of motion
C. It acts opposite to motion
D. It becomes infinite
Answer: C
42. Which graph best represents a stationary object?
A. Straight line parallel to time axis on position–time graph
B. Curved position–time graph
C. Increasing velocity–time graph
D. Sloping straight line on position–time graph
Answer: A
43. If the slope of a position–time graph increases with time, the object is:
A. At rest
B. Moving with constant speed
C. Accelerating
D. Moving backward
Answer: C
44. The area under velocity–time graph between 0 s and 5 s is 50 m. This represents:
A. Speed
B. Distance only
C. Displacement
D. Acceleration
Answer: C
45. A car moving at 15 m/s comes to rest in 5 s. Its acceleration is:
A. 3 m/s²
B. –3 m/s²
C. 75 m/s²
D. –75 m/s²
Answer: B
a=\frac{0-15}{5}=-3\ \mathrm{m/s^2}
46. Which equation can directly calculate final velocity without using time?
A. v = u + at
B. s = ut + ½at²
C. v² = u² + 2as
D. s = vt
Answer: C
47. The motion of a falling object under gravity is an example of:
A. Uniform acceleration
B. Zero acceleration
C. Non-linear motion only
D. Circular motion
Answer: A
48. If a vehicle covers equal distances in equal intervals of time, it is said to have:
A. Non-uniform motion
B. Uniform motion
C. Accelerated motion
D. Oscillatory motion
Answer: B
49. Which physical quantity can be negative in straight-line motion?
A. Distance
B. Speed
C. Time
D. Velocity
Answer: D
50. Which statement BEST describes acceleration?
A. Total distance travelled
B. Rate of change of velocity
C. Product of speed and time
D. Displacement per unit distance
Answer: B
