Q. 33

A bob of mass m suspended by a light string of length L is whirled into a vertical circle as shown in Fig. 6.11. What will be the trajectory of the particle if the string is cut at

(a) Point B?

(b) Point C?

(c) Point X?



Answer :

(a) Vertically downward as the tangential velocity at the point B will be vertically downwards

(b) Parabolic path with vertex at C as the tangential velocity will be in the horizontal direction but due to downward gravitational force it will follow parabolic path


(c)It will also be a parabolic path with vertex at x, due to the tangential velocity and the gravitational force


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