When the bob of mass M moves in a horizontal circle of radius R with uniform speed v, having length of string L describes a cone of semi vertical angle Theta. The centripetal force acting on the bob is given by

Question:

16.When the bob of mass M moves in a horizontal circle of radius R with uniform speed v, having length of string L describes a cone of semi vertical angle Theta. The centripetal force acting on the bob is given by

Options :

a) mgr/(√L^2 - r^2)
b) mgr/(L^2 - r^2)
c) (√L^2 - r^2)/mgL
d) mgL/(√L^2 - r^2)

Answer :

a) mgr/(√L^2 – r^2)

Answer Steps :

Solution :-

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