For the surface μ = 0.4, The work done by applied force, frictional force and net force are
A. 50J, -40J, 10J
B. 50J, -20J, 10J
C. 10J, -50J, 40J
D. 50J, -40J, 20J
Answer:A
For the surface μ = 0.4, The work done by applied force, frictional force and net force are
A. 50J, -40J, 10J B. 50J, -20J, 10J C. 10J, -50J, 40J D. 50J, -40J, 20J