Question

(III) A pair of bullocks exerts a force of 140 N on a plough. The field being
ploughed is 15 m long. How much work is done in ploughing the length of
the filed ?
what is kinetic energy of an object ? Write an expression for the K.E of an object .​

Answer 1

Answer:

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Explanation:

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Answer 2

Answer:

We have,

Force exerted, F = 140 N

Displacement, s = 15 m

Therefore,

Work done, W = Fs

= 140 N x 15 m

= 2100 J.

Hoping this will help you

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