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A disc of mass M and radius R is kept fl...

A disc of mass M and radius R is kept flat on a smooth horizontal table. An insect of mass m alights on the periphery of the disc and begins to crawl along the edge.
(a) Describe the path of the centre of the disc.
For what value of `(m)/(M)` the centre of the disc and the insect will follow the same path ?

Text Solution

Verified by Experts

The correct Answer is:
(a) A circle of radius `(mR)/(M+m)`
(b) `(m)/(M)=1`
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