An object of mass \( m \) is tied to a string of length 1 and a variable horizontal force is app...
An object of mass \( m \) is tied to a string of length 1 and a variable horizontal force is applied on it which is initially zero and gradually increases until the string makes an angle \( \theta \) with the vertical. Work done by the force \( F \) is:
img src=https://penpencil-static-content.s3.ap-south-1.amazonaws.com/5eb393ee95fab7468a79d189/m4aysfdlo271p8pchsemxgdsj.png /
a. \( \operatorname{mgl}(1-\sin \theta) \)
b. \( \mathrm{mgl} \)
c. \( \operatorname{mgl}(1-\cos \theta) \)
d. \( \operatorname{mgl}(1+\cos \theta) \)
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