Motion in a Straight Line NEET Questions

Physics - Kinematics

Motion in a Straight Line MCQ Questions


13.
Distance vs time graph for a freely falling body (from rest) is:
A.
Straight line through origin
B.
Parabola opening upward
C.
Parabola opening downward
D.
Straight line not through origin
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ANSWER :
B. Parabola opening upward
14.
The velocity-time graph of a moving particle is shown. The distance traversed by the particle from t = 0 to t = 5 s is:

NEET - 2020

A.
25 m
B.
20 m
C.
15 m
D.
10 m
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ANSWER :
C. 15 m
15.
Stopping distance of a vehicle āˆ ___ (constant braking deceleration):
A.
Initial velocity
B.
Square of initial velocity
C.
Cube of initial velocity
D.
Square root of initial velocity
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ANSWER :
B. Square of initial velocity
16.
A car at 126 km/h stops within 200 m. Retardation (uniform) is:
A.
3.06 m/sĀ²
B.
6.13 m/sĀ²
C.
5.50 m/sĀ²
D.
7.72 m/sĀ²
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ANSWER :
A. 3.06 m/sĀ²
17.
Galileo's law of odd numbers: distances in successive equal time intervals from rest are in ratio:
A.
1:2:3:4
B.
1:3:5:7
C.
1:4:9:16
D.
2:4:6:8
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ANSWER :
B. 1:3:5:7
18.
A particle has zero velocity at an instant. Which is necessarily true?
A.
Its acceleration is also zero
B.
It is permanently at rest
C.
Its acceleration can be non-zero
D.
Its displacement is zero
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ANSWER :
C. Its acceleration can be non-zero