1.

The resultant of two forces, one double the other in magnitude, is perpendicular to the smaller of the two forces.  The angle between the two forces is     [KCET 2002]

A.             \[{{60}^{\text{o}}}\]
B.           \[{{120}^{\text{o}}}\]
C.             \[{{150}^{\text{o}}}\]        
D.             \[{{90}^{\text{o}}}\]
Answer» C.             \[{{150}^{\text{o}}}\]        


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