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When a body is moving on a surface, the ...

When a body is moving on a surface, the force of friction is called

A

Static friction

B

Dynamic friction

C

Limiting friction

D

Rolling friction

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The correct Answer is:
B
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Maximum force of friction is called

Assertion : Friction always opposes the motion. Reason : Whenever one surface moves or tries to move over another surface, the force of friction starts acting on the surfaces.

Assertion : Angle of repose is equal to angle of limiting friction. Reason : When the body is just at the point of motion, the force of friction in this stage is called as limiting friction.

When a body moves on a circular path, the force that acts on the revolving body towards the center is called :

(A) : If a body is trying to slip over a surface then friction acting on the body is necessarily equal to the limiting friction . (R) : Static friction can be less than the limiting friction force .

ERRORLESS -FRICTION-MCQ S
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  10. if mu(s),mu(k) and mu(r) are coefficeints of static friction, sliding ...

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  15. A body is moving along a rough horizontal surface with an initial velo...

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  16. Consider a car moving on a straight road with a speed of 100m//s. The ...

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