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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?

 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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best_answer

The work done is given by :

                                                  W\ =\ F.s

or                                                        =\ 140\times 15\ =\ 2100\ Nm

Hence the work done in ploughing the field is 2100 J.

Posted by

Sanket Gandhi

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