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Q.

A body of mass M and radius of gyration K is rotating with an angular acceleration $α$ . The torque acting on it is

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a

$\frac{{Mk}^{2} α^{2}}{2}$

b

${Mk}^{2} α$

c

${Mk}^{2} α^{2}$

d

$Mk α$

answer is A.

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Detailed Solution

Torque = $I α = {MK}^{2} α$

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