If a set of given forces are such that their free vectors build a closed polygon, then Options: A . &nbspThe resultant force and resultant couple are always zero B . &nbspThe resultant force is zero but resultant couple is not zero C . &nbspThe resultant force is zero but resultant couple may not be zero D . &nbspThe resultant force and resultant couple both may not be zero

If a set of given forces are such that their free vectors build a closed polygon

Question

If a set of given forces are such that their free vectors build a closed polygon, then

Options:

A . The resultant force and resultant couple are always zero

B . The resultant force is zero but resultant couple is not zero

C . The resultant force is zero but resultant couple may not be zero

D . The resultant force and resultant couple both may not be zero

Answer: Option C

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