Three masses $m$ , $2 m$ and $3 m$ are attached with light strings passing over a fixed frictionless pulley as shown in the figure. The tension in the string between $2 m$ and $3 m$ is ( $g$ is acceleration due to gravity)

6 m g

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3 m g

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2 m g

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1 m g

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Solution

The correct option is D $1 m g$

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Similar questions

Q. Two masses

2 k g

and

3 k g

are attached to the ends of the string passing over a pulley which is fixed at the top. The tension and acceleration in the string in terms of acceleration due to gravity,

g

are:

Two blocks of masses $m_{1} = 3 m$ and $m_{2} = m$ are attached to the ends of a string which passes over a frictionless fixed pulley (which is a uniform disc of mass $M = 2 m$ and radius R) as shown in Fig. The masses are then released. The acceleration of the system is