2 0kg 370 P A 2 kg block is dragged over a displacement of 4

Last updated: 6/20/2023

2 0kg 370 P A 2 kg block is dragged over a displacement of 4 0 meters by a constant force of P 3 N acting at an angle of above the horizontal as shown The surface is rough and a constant frictional force of f 2N opposes the motion What work was done by the frictional force f force during this displacement O 8 0 J O 6 4 J O 1 6 J 09 6 J O 12 J