Question

Define couple?
State the SI unit of moment Of couple.​

Answer 1

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✿ SI unit of moment of the couple is Newton metre or Nm.

✿ When a Body rotates movement of the couple lies along the axis of rotation.

✿ To balance a couple another equal but opposite couple is required in the same plane.

✿ Moment of the couple is positive for anti clockwise rotation of body.

Answer 2

ANSWERS :

Two equal and opposite parallel forces, not acting along the same lines forms a couple. A couple is always needed to produce rotation.

S.I. unit of moment of couple is Newton × metre ( Nm ).

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