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Q. In the diagram shown in figure, both pulleys and strings are massless. The acceleration of 2 kg block isPhysics Question Image

Laws of Motion

Solution:

From the equilibrium of pulley $P_1$ which is massless we can see that tension in upper string is is 50 N. Similarly, from equilibrium of $P_2$ we can see that tension in lower string will be 25 N.

Solution Image