Q. 13

A body is in translational equilibrium under the action of coplanar forces. If the torque of these forces is zero about a point, is it necessary that it will also be zero about any other point?

Answer :

Here the body is in translational equilibrium. We are assuming n different forces at n different particles.



Let us say the torque about R is zero.



Now let us find the torque about O now







This proves that the torque about any other point will also be zero.


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