A tractor pulls a plough 2km across a field using a constant force of 8N, what is the work done by the tractor?
Work done= F x d; where d= distance object has been moved through in same direction of force and F= resultant force. F=8 N.d=2 x 1000 m.WD = 2000 x 8 = 16000 J
LB
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