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


13.
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
14.
A car of mass 1000 kg negotiates a banked curve of radius 100 m with a speed of 30 m/s. If the banking angle is 15°, what is the necessary friction force required? (Assume g = 10 m/s²)

NEET - 2016

A.
0 N
B.
1000 N
C.
2000 N
D.
3000 N
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ANSWER :
B. 1000 N
15.
A car is moving on a circular track at constant speed. What happens to its velocity?
A.
Remains constant
B.
Increases
C.
Changes direction continuously
D.
Becomes zero
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ANSWER :
C. Changes direction continuously
16.
The critical velocity of a vehicle on a level road depends on:
A.
Coefficient of friction and radius
B.
Only mass
C.
Only gravity
D.
Mass and velocity
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ANSWER :
A. Coefficient of friction and radius
17.
A car negotiating a curve safely depends on:
A.
Speed of car
B.
Radius of curve
C.
Coefficient of friction
D.
All of these
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ANSWER :
D. All of these
18.
The centripetal force on a satellite in orbit is provided by:
A.
Normal force
B.
Friction
C.
Tension
D.
Gravitational force
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ANSWER :
D. Gravitational force