What is a couple?

to multiple parallel forces that are equal in magnitude, opposite in sense and do not share a line of action.

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to two parallel forces that are unequal in magnitude, and do not share a line of action.

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to two parallel forces that are equal in magnitude, opposite in sense and do not share a line of action.

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to two parallel forces that are equal in magnitude, and acting in same direction

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Solution

The correct option is C
to two parallel forces that are equal in magnitude, opposite in sense and do not share a line of action.

A couple or a force couple refers to two parallel forces that are equal in magnitude, opposite in sense and do not share a line of action. A better term is force couple or pure moment. Its effect is to create rotation, with no acceleration of the centre of mass.

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Similar questions

Two forces that are equal in magnitude are acting on a body in opposite directions along the same line of action cancel out each other.

Two equal and opposite forces whose lines of action do not coincide are said to constitute a __.

Even though the magnitude of action force and reaction force are equal and thier directions are opposite,thier effects do not get cancelled.Why?

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