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.
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
8.
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
9.
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
10.
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
11.
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
12.
The reaction force to the centripetal force is:
A.
Weight of the object
B.
Centrifugal force
C.
Normal reaction
D.
Friction
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ANSWER :
B. Centrifugal force