PHYSICS · Multi-part · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
Two blocks of masses m1=2.0kg and m2=4.0kg are connected by a light, inextensible string that passes over a small, friction-less pulley. The blocks are released from rest and move freely.
Take the upward direction for m1 and the downward direction for m2 as positive, and use g=9.8ms−2.
(a) Calculate the magnitude of the acceleration of the blocks.
(b) Determine the magnitude of the tension in the string.
(c) For the heavier block, state the magnitude of the net force it experiences and indicate whether this net force is directed upward or downward. Justify your answer.