Question

A body mass to kilogram is moving in a circular path of radius 2 metre how much work is done on the body?
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Answer 1

Given :-

Mass of body (M) = 1 kg

Radius of path (R) = 2 m

To Find :-

Work done

Solution :-

As we know that

W = Fs cos \thetaW=Fscose

Here,

W is the work done

F is the Force

S is the Displacement

Ø is the angle between speed and

displacement

W = Fs x OW=Fsx0

As cos 90º = 0

W = OW=0

Hence :-

The work done by the body is 0 Joule.

Answer 2

Answer:

Given :-

Mass of body (M) = 1 kg

Radius of path (R) = 2 m

To Find :-

Work done

Solution :-

As we know that

W = Fs cos \thetaW=Fscosθ

Here,

W is the work done

F is the Force

S is the Displacement

∅ is the angle between speed and displacement

W = Fs x 0W=Fs×0

As cos 90⁰ = 0

W = 0W=0

Hence :-

The work done by the body is 0 Joule.

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