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When two equal, opposite and parallel forces with different lines of action act on a body, they constitute a ______.
  • a)
    Moment
  • b)
    Couple
  • c)
    Inertia
  • d)
    Momentum
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
When two equal, opposite and parallel forces with different lines of ...
A pair of two equal and unlike parallel forces (i.e. forces equal in magnitude, with lines of action parallel to each other and acting in opposite directions) is known as a couple.
As a matter of fact, a couple is unable to produce any translatory motion (i.e., motion in a straight line). But it produces a motion of rotation in the body, on which it acts.
Moment of a couple = P × a
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When two equal, opposite and parallel forces with different lines of action act on a body, they constitute a ______.a)Momentb)Couplec)Inertiad)MomentumCorrect answer is option 'B'. Can you explain this answer?
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