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A body of mass 40kg is being dragged along the ... - JAMB Physics 1995 Question

A body of mass 40kg is being dragged along the floor by a rope inclined at 60 degrees to the horizontal. The frictional force between the box and the floor is 100N and the tension on the rope is 300N. How much work is done by dragging the box for a distance of 4m
A
680J
B
400J
C
200J
D
100J
correct option: c
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