Q. 44.5( 100 Votes )
A pair of bullocks exerts a force of 140 N in a plough. The field being ploughed is 15 m long. How much work is done in ploughing the length of the field?
Force, F = 140 N
Distance, s = 15 m
Work done, W =?
W = F × s
= 140 × 15
= 2100 J
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