Two blocks of masses M and m

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

24. Two blocks of masses M and m , with M>m\mathrm{M}>\mathrm{m}, are connected by a light string. The string passes over a frictionless pulley of negligible mass so that the blocks hang vertically. The blocks are then released from rest. What is the acceleration of the block of mass M ? (A) g (B) M−mMg\frac{M-m}{M} g (C) M+mMg\frac{M+m}{M} g (D) M+mM−mg\frac{M+m}{M-m} g (E) M−mM+mg\frac{M-m}{M+m} g

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