Questions
A body of mass m slides down an smooth incline and reaches the bottom with a velocity v, Now smooth incline surface is made rough and the same mass was in the form
of a ring which rolls down this incline, the velocity of the ring at the bottom would have been:
detailed solution
Correct option is D
For a sliding body of mass m,vbody =2gh=v ....(i)For a rolling ring of same mass m,vring =2ghβ=2gh1+ImR2=2gh1+mR2mR2=2gh2=gh=v2Talk to our academic expert!
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A homogeneous solid cylindrical roller of radius R and mass M is pulled on a cricket pitch by a horizontal force. Assuming rolling without slipping, angular acceleration of the cylinder is
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