Uniform and Non-Uniform Motion NEET Questions

Physics - Kinematics

Uniform and Non-Uniform Motion MCQ Questions


13.
For uniform motion, which of the following is TRUE?
A.
Instantaneous velocity ā‰  average velocity
B.
Acceleration is non-zero
C.
Instantaneous velocity = average velocity at all instants
D.
Speed changes but direction is constant
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ANSWER :
C. Instantaneous velocity = average velocity at all instants
14.
A body covers 30 m in the 1st second, 30 m in the 2nd second, and 30 m in the 3rd second. The motion is:
A.
Non-uniform with positive acceleration
B.
Uniform motion with velocity = 30 m/s
C.
Non-uniform with negative acceleration
D.
Free fall
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ANSWER :
B. Uniform motion with velocity = 30 m/s
15.
A train 100 m long is moving with a constant speed of 60 km/h. The time taken by the train to cross a bridge of length 1 km is:

NEET - 2022

A.
1 min
B.
1.1 min
C.
1.2 min
D.
1.5 min
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ANSWER :
C. 1.2 min
16.
A body covers 10 m in the 1st second, 20 m in the 2nd, and 30 m in the 3rd second. The motion is:
A.
Uniform motion
B.
Non-uniform with uniform acceleration
C.
Non-uniform with non-uniform acceleration
D.
Free fall from rest
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ANSWER :
B. Non-uniform with uniform acceleration
17.
In non-uniform motion, the instantaneous speed:
A.
Is always equal to average speed
B.
Is always greater than average speed
C.
Can be equal to, greater than, or less than average speed
D.
Is always zero
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ANSWER :
C. Can be equal to, greater than, or less than average speed
18.
A car moving along a straight road with a speed of 72 km/h is brought to rest in a distance of 100 m under uniform retardation. The retardation produced in the car is:

NEET - 2021

A.
2 m/sĀ²
B.
3 m/sĀ²
C.
4 m/sĀ²
D.
5 m/sĀ²
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ANSWER :
B. 3 m/sĀ²