A particle of mass m is placed on centre...

A particle of mass `m` is placed on centre of curvature of a fixed, uniform semi-circular ring of radius `R` and mass `M` as shown in figure. Calculate:
(a) interaction force between the ring and the particle and
(b) work required to displace the particle from centre of curvature to infinity.

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A particle of mass `m` is placed on centre of curvature of a fixed, uniform semi-circular ring of radius `R` and mass `M` as shown in figure. Calculate: (a) interaction force between the ring and the particle and (b) work required to displace the particle from centre of curvature to infinity.

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A particle of mass `m` is placed on centre of curvature of a fixed, uniform semi-circular ring of radius `R` and mass `M` as shown in figure. Calculate:
(a) interaction force between the ring and the particle and
(b) work required to displace the particle from centre of curvature to infinity.