Questions
, A uniform rod of mass m and length / is held inclined at an angle of with the vertical. What will-be potential energy of the rod in this position ?
detailed solution
Correct option is D
See fig. (12). Let the center of gravity of the rod be at aheight ft. From figure,h=OCsin30∘=(l/2)sin30∘=l/4 P.E. =mgh=mgl/4Talk to our academic expert!
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A simple pendulum is swinging in a vertical plane. The ratio of its potential energies when it is making angles and with the vertical is,
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