Dynamics of Uniform Circular Motion (Centripetal Force and its Applications: Vehicle on a Level Circular Road, Vehicle on a Banked Road) NEET Questions

Physics - Laws of Motion

Dynamics of Uniform Circular Motion (Centripetal Force and its Applications: Vehicle on a Level Circular Road, Vehicle on a Banked Road) MCQ Questions


7.
A vehicle negotiates a curve safely when:
A.
Centripetal force is provided by friction
B.
It moves at any speed
C.
Normal force is high
D.
Gravity is less
😑 View Answer Rough Work Error
ANSWER :
A. Centripetal force is provided by friction
8.
Why are roads banked at curves?
A.
To increase friction
B.
To provide centripetal force
C.
To reduce rolling friction
D.
To increase normal reaction
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ANSWER :
B. To provide centripetal force
9.
The angle of banking of a road depends on:
A.
Mass of the vehicle
B.
Speed and radius of the curve
C.
Length of the curve
D.
Width of the road
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ANSWER :
B. Speed and radius of the curve
10.
A body in uniform circular motion has:
A.
Constant velocity
B.
Variable acceleration
C.
Constant acceleration
D.
Zero acceleration
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ANSWER :
C. Constant acceleration
11.
The force that prevents skidding on a level curved road is:
A.
Gravity
B.
Normal force
C.
Friction
D.
Centripetal force
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ANSWER :
C. Friction
12.
The force acting towards the center of a circular path is called:
A.
Centrifugal force
B.
Centripetal force
C.
Normal force
D.
Gravitational force
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ANSWER :
B. Centripetal force