Questions
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
a
1200
b
1350
c
900
d
1500
detailed solution
Correct option is A
We have, tan90°=2AsinθA+2Acosθ=∞∴ A+2Acosθ=0or cosθ=-12 or θ=120°Talk to our academic expert!
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