The minimum centripetal force required to rotate a body mass $m$ in a vertical circle of radius $r$ is

m g

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2 m g

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\frac{m g}{2}

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Zero

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Solution

The correct option is A $m g$
The tension at the top-most point would be zero in the critical case that the particle just completes the verticle circle without being slake. The minimum centripetal force would then be equal to the force due to gravity $= m g$

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The minimum centripetal force required to rotate a body mass m in a vertical circle of radius r is

The correct option is A mgThe tension at the top-most point would be zero in the critical case that the particle just completes the verticle circle without being slake. The minimum centripetal force would then be equal to the force due to gravity =mg

The minimum centripetal force required to rotate a body mass $m$ in a vertical circle of radius $r$ is

The correct option is A $m g$
The tension at the top-most point would be zero in the critical case that the particle just completes the verticle circle without being slake. The minimum centripetal force would then be equal to the force due to gravity $= m g$