1.

Four forces of magnitudes 20 N, 40 N, 60 N and 80 N are acting respectively along the four sides of a square ABCD as shown in figure. The magnitude of resultant is

A. 40√2 N
B. 50√2 N
C. 45√2 N
D. 60√2 N
Answer» B. 50√2 N


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