Three blocks of masses m, 2m and 3m hang vertically from connected strings. An upward force F moves all three blocks upward with constant speed. Find the net force on the 2m block.

Physics · Newtons law of motion and Friction · equilibrium problem and newton first law

NEET 2013

Three blocks of masses m, 2m and 3m hang vertically from connected strings. An upward force F moves all three blocks upward with constant speed. Find the net force on the 2m block.

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