1.

(A) : The minimum number of coplanar vectors whoser sum can be zero is three ( R) : The three vectors must be coplanar to produce equilibrium

Answer»

Both (A) and ( R) are ture and ( R) is the correct explanation of (A)
Both (A) and ( R) are TRUE and ( R) is not the correct explanation of (A)
(A) is true but ( R) is FALSE
Both (A) and ( R) are false

ANSWER :B


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