One should know more than one method.!
A rod of mass m and length l with its one end pivoted to a fixed point is released from vertical. Find the angle (in degrees) the rod makes with the vertical when the magnitude of the 2 forces ( one along the rod, one perpendicular to it ) exerted by pivot on rod becomes equal?
This problem is originally part of set Mechanics problems by Abhishek Sharma .
Try more problems here .
The answer is 53.13.
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