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?
Applied force, F = 140 N
Displacement, d = 15 m
Work done = force x displacement
W = 140 × 15 = 2100 J
Work done is 2100 J.
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