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What are the types of kinetic friction?

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in Physics – Class 11 by (74.2k points)
What are the types of kinetic friction?

(a) Sliding friction, rolling friction and adhesive friction

(b) Sliding friction and rolling friction

(c) Rolling friction and adhesive friction

(d) Sliding friction and adhesive friction

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Enquiry is from Friction topic in section Work, Energy and Power of Physics – Class 11

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The correct choice is (b) Sliding friction and rolling friction

For explanation I would say: Kinetic friction is of two types; sliding and rolling. Rolling friction is less than sliding friction. This is the reason why rolling a body is always easier than sliding a body.

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