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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 , then the moment of couple becomes

Options

  1. AH - G
  2. BG - H
  3. CH + G
  4. DG + H

Correct answer

B. G - H

Step-by-step solution

a = r p ;| a |= rp | H |= rpcos [ (90^ + )= G = rp H = rp x = rp ( + ) From (1), (2) & (3), x = a + H

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