Question

arrange different types of friction force in decreasing order on the basis of its magnitude. give reasons ....



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Answer 1

Answer:

Frictional force are of three types:

1.Static friction

2.Sliding friction

3.Rolling friction

Static friction : Static friction comes into play when when one object is at rest with respect to other object

Irregularities will be more. Hence force required to overcome static friction is more.

Sliding friction comes into play when one objects slides over the surface of other objects.

Less time is given for the irregularities to interlock as object slides.

Rolling friction comes into play when one object rolls over the surface of the other.

Decreasing Order of frictional forces : Static friction >Sliding Friction > Rolling friction.

Answer 2

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