Physics-
General
Easy
Question
One end of a uniform rod of length l and mass m is hinged at A. It is released from rest from horizontal position AB as shown in figure. The force exerted by the rod on the hinge when it becomes vertical is -
mg 
mg - 3 mg
- 5 mg
- mg
- mg
- 3 mg
- 5 mg
The correct answer is: mg
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