The characteristic of a couple, is :

1.	The characteristic of a couple, is :
A.	algebraic sum of forces, constituting a couple is zero
B.	algebraic sum of moments of forces, constituting a couple, about any poin, is same
C.	a couple can be balanced only by a couple but of opposite sense
D.	a couple can be never the balanced by a single force
Answer» E.

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The characteristic of a couple, is :

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