An object of mass `m` is tied to a string of length `l` and a variable force F is applied on it which brings the string gradually at angle thit `theta` with the vertical. Find the work done by the force `F`
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An object of mass m is tied to a string of length l and a variable force F is applied on it which brings the string gradually at angle theta with the vertical. Find the work done by the force F .

An object of mass m is tied to a string of length l and a variable horizontal force is applied on it which is initially is zero and gradually increases until the string makes ann angle theta with the vertical. Workdone by the force F is

A stone of mass m is tied to a string of length l and rotated in a circle with a constant speed v . If the string is released, the stone flies

An object of mass M is tied to a string of length l and revolved in a horizontal circle. If length is reduced by l//2 , then period is

A ball of mass 200g is attached to a string of length 50cm and a force F is applied on it as shown. Find the work done by this force if string makes an angle 60^@ with vertical. In the initial and final position, speed of the ball is zero.

An object of mass M is tied to a string of l and revolve in a horizontal circle .If length is reduced by l//2 , then period is

A body of mass 1 kg is suspended by means of a string. It is then pulled aside by a horizontal force so that the string makes an angle of 30^(@) with the vertical. Find the horizontal force.

A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :

A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :