Factors Affecting Friction

IMPORTANT

Factors Affecting Friction: Overview

This Topic covers sub-topics such as Static Friction, Types of Friction, Sliding Friction and, Factors Affecting Friction

Important Questions on Factors Affecting Friction

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Which of the following statement is incorrect?

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A body experiences maximum frictional force on which of the following surfaces?

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The flying plane offering the least frictional force should be

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Match the following

Column I Column II
a) Barometer reduce friction
b) Increase friction atmospheric pressure
c) Decrease friction cause of friction
d) Lubricants increasing area of contact
e) Irregular surface decreasing area of contact

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Match the following

Column I Column II
a) Static friction viscosity
b) Kinetic friction least friction
c) Rolling friction objects are in motion
d) Friction between the liquid layers objects are sliding
e) Sliding friction objects are at rest


 

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Arrange the following in the increasing order:
Let a marble roll on the following surfaces. Arrange the choice of the material such that a marble moving over it covers a greater distance. Cotton cloth, glass plate, paper, cardboard, silver plate.

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The force of friction called into play which does not allow bodies to slide upon one another is known as:

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A smooth surface has more friction.

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The heavier the object, the _____ (greater/lesser) is the friction.

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It is difficult to walk on the marble floor when soap water is spilt over it because soap water _____ friction. (increases/decreases)

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Smooth the surface less the friction.

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Define static friction and sliding friction.

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How many types of friction?

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Friction is independent of area of contact.

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Friction is less for rough surfaces.

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Sliding friction is _____ (more/less) than static friction.

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List the names of five smooth surfaces and five rough surfaces from your surroundings.

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Define different types of friction with examples.

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Define static and sliding friction.

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How does friction depend on the smoothness of surfaces?