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


1.
A body moving in a circular path with uniform speed has:
A.
Constant velocity
B.
Constant acceleration
C.
Constant kinetic energy
D.
Zero acceleration
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ANSWER :
C. Constant kinetic energy
2.
The acceleration of a body moving in a circular path is directed:
A.
Tangentially
B.
Radially outward
C.
Radially inward
D.
Along the motion
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ANSWER :
C. Radially inward
3.
Centripetal force is required to:
A.
Increase speed of a body
B.
Keep a body moving in a circular path
C.
Move a body in a straight line
D.
Stop a body
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ANSWER :
B. Keep a body moving in a circular path
4.
Which of the following forces can provide centripetal force?
A.
Gravitational force
B.
Tension force
C.
Friction
D.
All of these
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ANSWER :
D. All of these
5.
A vehicle moving on a level circular road is held in motion by:
A.
Normal force
B.
Tension
C.
Friction
D.
Gravity
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ANSWER :
C. Friction
6.
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
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ANSWER :
A. Centripetal force is provided by friction