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

Question:-

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

Solution:-

mass of the body m = 2 kg

1️⃣Height that the body is raised fro lowest position to highest position = 4 m

2️⃣Work done will be only equal to the work done by the gravitational work .

W= mgh = 2×10×4 = 80

AnsWeR:-

${\sf{\underline{\fbox{W= mgh = 2×10×4 = 80}}}}$

Given:-

${\sf{\underline{\overline{Kilogram:-}}}}$

=> Kilogram unit of mass in the metric system. A kilogram is most nearly equal (it was originally intended to exactly equal) to the mass of $\sf\fbox{1,000}$ cubic cm of water.<=

Answer 2

$\huge\sf \pmb{\orange {\underline \pink{\underline{\:Ꭺ ꪀ \mathfrak ꕶ᭙ꫀя \: }}}}$

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.