A force of 60 N acting perpendicular to a force of 80 N, magnitude of resultant force is 

A force of 60 N acting perpendicular to a force of 80 N, magnitude of resultant force is 
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A force of 60 N acting perpendicular to a force of 80 N, magnitude of resultant force is (A) 20N (B) 70N (C) 100 N (D) 140 N
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