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Standard XII

Physics

Equipotential Surfaces

A uniform sol...

Question

A uniform solid sphere of mass M and radius R is kept on the horizontal surface.
Find potential energy of the solid sphere.

\frac{m g R}{2}

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m g R

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\frac{m g R}{4}

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\frac{2 m g}{R}

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Solution

The correct option is A $m g R$
$U = M g h_{c m}$
For symmetrical body COM is the geometrical centre of the body.
$∴ U = M g R$

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A uniform solid sphere of mass M and radius R is kept on the horizontal surface.Find potential energy of the solid sphere.

The correct option is A mgRU=MghcmFor symmetrical body COM is the geometrical centre of the body.∴U=MgR

A uniform solid sphere of mass M and radius R is kept on the horizontal surface.
Find potential energy of the solid sphere.

The correct option is A $m g R$
$U = M g h_{c m}$
For symmetrical body COM is the geometrical centre of the body.
$∴ U = M g R$