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 field Physics Cbse class 11

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## 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 field? - Physics Cbse class 11

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 field?

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Work done by the bullocks is given by the expression:

Work done = Force ร Displacement

F ร  s

Where,

Applied force, = 140 N

Displacement, s = 15 m

= 140  ร 15 = 2100 J

Hence, 2100 J of work is done in ploughing the length of the field.

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