A box is pushed through 4.0 m across a floor offering 100 N resistance. How much work is done by the resisting force ?
Work done against resisting force W=→F.→S=100×4=400 J
work done by resisting force =-400 J
A box is pushed through 4 m across a floor of weight 10 N resistance.How much work is done by the
1) applied force
A body is pushed through a distance of 5 m with constant velocity across a surface offering 75 N resistance. The work done by the applied force is