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A body is in equilibrium under the influ...

A body is in equilibrium under the influence of a number of forces. Each has a different line of action. The minimum number of forces required is.

A

2, if their lines of action pass through the centre of mass of the body

B

3, if their lines of action are not parallel

C

3, if their lines of action are parallel

D

4, if their lines of action are parallel and all the force have the same magnitude

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The correct Answer is:
b, c, d
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