A ring of mass m moves from point 1 to point 2 along a smooth rigid horizontal wire with a constant

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3-2.Motion in Plane

hard

A ring of mass $m$ moves from point $1$ to point $2$ along a smooth rigid horizontal wire with a constant speed $v$. The average force acting the ring over the time of its motion from $1$ to $2$ is

A$\frac{{2m{v^2}}}{R}\,\sin \,\theta $

B$\frac{{m{v^2}}}{R}$

C$\frac{{2m{v^2}\,\sin \,\frac{\theta }{2}}}{{R\theta }}$

DNone of these

Solution

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Standard 11

Physics

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