Question

A block of mass m is pulled along circular arc by means of constant horizontal force F. What is the work done by tis force in pulling block from A to B?

Answer 1

Please find the answer below:

Keeping in view that; a block of mass m is pulled along circular arc by means of constant horizontal force F.

The work done by its force in pulling block from A to B is √3 F/2.

Answer 2

Answer:

√3/2.FR

Explanation:

Work done = F x displacement( in the direction of force)

(displacement = Rsin60)

Work done= FR√3/2

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