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Question

The friction between objects that are stationary is called :

स्थिर वस्तुओं के बीच घर्षण को कहा जाता है:

A.

Static friction

B.

Rolling friction

C.

Kinetic friction

D.

Dynamic friction

Answer ( Option A)

Static friction

Solution

The friction between two stationary objects is called static friction.

                

Hence, the correct option is (A).

Static friction : Friction experienced by a body at rest is known as static friction.

Dynamic friction : Friction experienced by a body when it is in motion is known as dynamic friction or kinetic friction. Dynamic friction is of two types, sliding friction (experienced by a body when it slides over another body) and rolling friction (friction experienced by a body when it rolls over another body).

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