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Static Friction MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET
Quick Facts
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Static Friction is considered one of the most asked concept.
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5 Questions around this concept.
Solve by difficulty
A block rests on a rough inclined plane making an angle of 30o with the horizontal. The coefficient of static friction between the block and the plane is 0.8 . If the frictional force on the block is 10 N , the mass of the block (in kg) is
(take g = 10 m/s2 )
Concepts Covered - 1
Static Friction
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It occurs when there is a tendency of relative motion, i.e, the body is still at rest and is just about to move.
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When two bodies do not slip over each other, then the force of friction is called static friction.
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It is a variable force or self-adjusting force as it changes itself according to the applied force.
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It is denoted by fs and the static friction is in between:-
where fl is limiting friction.
5. Limiting friction is the maximum static friction that a body can exert on the other body in contact with
It and is given by:-
or
limiting friction
coefficient of friction
R = reaction force
6. Generally,
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