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what is the magnitude of frictional force after perfect rolling begins and why?

what is the magnitude of frictional force after perfect rolling begins and why?

Grade:11

2 Answers

Prajwal kr
49 Points
11 years ago

Zero. The point of contact is instantaneously at rest.

vijay reddiar
30 Points
11 years ago

After pure rolling begins,frictional force is 0.

this is because the velocity of he contact point is 0 in case of pure rolling.

since there is no velocity at the contact,there is no friction

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