Motion in a Straight Line NEET Questions

Physics - Kinematics

Motion in a Straight Line MCQ Questions


1.
An object moves from A to B and returns to A. Which statement is correct?
A.
Both displacement and distance are zero
B.
Displacement is zero; distance is non-zero
C.
Both displacement and distance are non-zero
D.
Displacement is non-zero; distance is zero
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ANSWER :
B. Displacement is zero; distance is non-zero
2.
A car starts from rest and accelerates uniformly for 10 seconds to a velocity of 20 m/s. It then runs at a constant velocity and is finally brought to rest in 50 m under uniform retardation. The total distance covered by the car is:

NEET - 2017

A.
300 m
B.
500 m
C.
700 m
D.
800 m
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ANSWER :
B. 500 m
3.
For an object in uniform motion, which statement is correct?
A.
Acceleration is non-zero
B.
Instantaneous velocity equals average velocity at every instant
C.
Speed may vary
D.
Displacement is always zero
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ANSWER :
B. Instantaneous velocity equals average velocity at every instant
4.
Position of a particle: x = 3t² − 2t + 5 (SI units). Velocity at t = 2 s is:
A.
10 m/s
B.
12 m/s
C.
14 m/s
D.
8 m/s
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ANSWER :
A. 10 m/s
5.
A ball is dropped from a height of 20 m. Assuming g = 10 m/s², the time taken by the ball to reach the ground is:

NEET - 2021

A.
2 s
B.
2√2 s
C.
4 s
D.
5 s
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ANSWER :
B. 2√2 s
6.
Position: x = 8.5 + 2.5t² m. Velocity at t = 2 s is:
A.
5 m/s
B.
10 m/s
C.
15 m/s
D.
20 m/s
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ANSWER :
B. 10 m/s