Friction (Static, Kinetic, Rolling and Laws of Friction) NEET Questions

Physics - Laws of Motion

Friction (Static, Kinetic, Rolling and Laws of Friction) MCQ Questions


13.
The force of friction depends on:
A.
Area of contact
B.
Nature of surfaces in contact
C.
Both A and B
D.
None
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ANSWER :
B. Nature of surfaces in contact
14.
A car moving on a road experiences which type of friction?
A.
Static friction
B.
Kinetic friction
C.
Rolling friction
D.
Fluid friction
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ANSWER :
C. Rolling friction
15.
Which factor does NOT affect friction?
A.
Mass of the object
B.
Nature of the surface
C.
Speed of the object
D.
Area of contact
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ANSWER :
D. Area of contact
16.
Friction is caused due to:
A.
Surface smoothness
B.
Electrostatic forces
C.
Surface irregularities
D.
Gravity
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ANSWER :
C. Surface irregularities
17.
The force required to start the motion of an object is:
A.
Static friction
B.
Kinetic friction
C.
Rolling friction
D.
Normal force
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ANSWER :
A. Static friction
18.
What happens when oil is applied between two surfaces?
A.
Friction increases
B.
Friction decreases
C.
Friction remains constant
D.
Friction becomes infinite
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ANSWER :
B. Friction decreases