Frictional Force

IMPORTANT

Frictional Force: Overview

This Topic covers sub-topics such as Static Friction, Angle of Repose, Coefficient of Friction, Rolling Friction, Laws of Friction, Coefficient of Static Friction, Coefficient of Kinetic Friction, Limiting Friction Force and, Total Contact Force

Important Questions on Frictional Force

MEDIUM
IMPORTANT

Friction does not depend on the area of the surface in contact.

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IMPORTANT

Does friction depend on the surface area?

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Name the factors on which the static friction force depends.​

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Limiting friction is inversely proportional to the magnitude of normal reaction

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Limiting friction is the maximum value of static friction.

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What is the unit of coefficient of static friction?

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The coefficient of friction is a dimensionless quantity.

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The force of kinetic friction does not depend on

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Kinetic friction is directly proportional to

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What are the cause of rolling friction?

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Angle of repose and angle of friction are equal.

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The minimum angle that an inclined plane makes with the horizontal when a body placed on it just begins to slide down is called _____.

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What is coefficient of kinetic friction.

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What is coefficient of static friction ?

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Static friction is self adjusting force

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 Define static friction ?

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What are the different types of frictional force.

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Cotyledons are also called-

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The frictional force on an object in a fluid depends on its _____ with respect to the fluid.

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Rolling friction is?