Three blocks of masses m, 2m and 3m are connected vertically by strings. They move upward at constant speed under an external upward force as shown. What is the net force on the 2m block?
Physics · Newtons law of motion and Friction · equilibrium problem and newton first law
Three blocks of masses m, 2m and 3m are connected vertically by strings. They move upward at constant speed under an external upward force as shown. What is the net force on the 2m block?

Options