Motion in a Straight Line NEET Questions

Physics - Kinematics

Motion in a Straight Line MCQ Questions


7.
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
8.
A body moving with uniform acceleration has a velocity-time graph in the form of a:
A.
Straight line
B.
Parabola
C.
Hyperbola
D.
Zig-zag line
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ANSWER :
A. Straight line
9.
Which of the following is a vector quantity?
A.
Distance
B.
Speed
C.
Velocity
D.
Path length
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ANSWER :
C. Velocity
10.
A particle moves along a straight line such that its velocity v varies with time t as v = 4t - t². The time at which the particle comes to rest is:

NEET - 2023

A.
1 s
B.
2 s
C.
4 s
D.
8 s
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ANSWER :
C. 4 s
11.
If a car accelerates from rest at 5 m/s² for 4 seconds, its final velocity is:
A.
5 m/s
B.
10 m/s
C.
15 m/s
D.
20 m/s
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ANSWER :
D. 20 m/s
12.
The equation v=u+at is valid when:
A.
Acceleration is constant
B.
Acceleration is zero
C.
Acceleration is variable
D.
Motion is non-uniform
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ANSWER :
A. Acceleration is constant