A couple is of moment G and the force forming the couple is P . If P is turned through a right angle the moment of the couple thus formed is H . If instead, the force P are turned through an angle α ,

Question

A couple is of moment G and the force forming the couple is P . If P is turned through a right angle the moment of the couple thus formed is H . If instead, the force P are turned through an angle α , then the moment of couple becomes

TestHub · Accepted Answer

a = r × p ​ ; ∣ a ∣ = rp sin θ ∣ H ∣ = rpcos θ [ ∵ sin ( 9 0 ∘ + θ ) = cos θ ⌋ G = rp sin θ H = rp cos θ x = rp sin ( θ + α ) From (1), (2) \& (3), x = a cos α + H sin α

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