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For a given system of pairs of forces, find the moment of the resulting pair.
Pair in left will cause a clockwise rotation in body and moment due to this will be 2M×4H
=8H M
Moment due to uppermost force couple Moment will be clockwise
Moment = 2M×2H
= 4H M
Moment due to right force couple has nature to rotate body counterclockwise
So due to this moment= -3M×3H= -9H M
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