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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.

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asked Oct 17, 2017 in Physics by jisu zahaan (28,760 points) ● 26 ● 374 ● 811

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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answered Oct 17, 2017 by sforrest072 (157,439 points) ● 61 ● 410 ● 937
selected Feb 16, 2018 by sanjeev
 
Best answer

Work done = Force × displacement 

= 140 × 15 

= 2100 J = 2.1 kJ

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A pair of bullocks exerts a force of 140 N on a plough.
asked Oct 16, 2017 in Physics by jisu zahaan (28,760 points)

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