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

Akash Kumar Dutta , 13 Years ago
Grade 11
anser 2 Answers
Prajwal kr

Zero. The point of contact is instantaneously at rest.

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Last Activity: 13 Years ago
vijay reddiar

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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Last Activity: 13 Years ago
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