A system of masses rotating in different parallel planes is in dynamic – McqOptions

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1.	A system of masses rotating in different parallel planes is in dynamic balance. If the resultant
A.	Force is equal to zero
B.	Couple is equal to zero
C.	Force and the resultant couple both are equal to zero
D.	Force is numerically equal to the resultant couple but neither of them need necessarily be zero.
Answer» D. Force is numerically equal to the resultant couple but neither of them need necessarily be zero.

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