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

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

13.
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
ANSWER :
C. Changes direction continuously
14.
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
ANSWER :
A. Coefficient of friction and radius
15.
A car negotiating a curve safely depends on:
A.
Speed of car
B.
Radius of curve
C.
Coefficient of friction
D.
All of these
ANSWER :
D. All of these
16.
The centripetal force on a satellite in orbit is provided by:
A.
Normal force
B.
Friction
C.
Tension
D.
Gravitational force
ANSWER :
D. Gravitational force
17.
A car moves safely on a banked curve when:
A.
Friction provides centripetal force
B.
Normal force provides centripetal force
C.
No force is needed
D.
The car is at rest
ANSWER :
B. Normal force provides centripetal force
18.
The banking angle of a road increases when:
A.
The radius of curvature increases
B.
The speed of vehicle increases
C.
The friction increases
D.
The weight of vehicle increases
ANSWER :
B. The speed of vehicle increases