Questions
A solid sphere rolls down two different inclined planes of the same height but of different inclinations:
detailed solution
Correct option is A
As v=2gh1+IMR2Hence velocity is independent of the inclination of the plane and depends only on height h through which body descends. But because t=1sinθ2hg1+IMR2 depends on the inclination also, hence greater the inclination lesser will be the time of descend. Hence, in present case, the speeds will be same (because h is same) but time is descend will be different (because of different inclinations)Talk 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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