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Surface Tension

Two weights ...

Question

Two weights $w_{1}$ and $w_{2}$ are suspended from the ends of a light string passing over a smooth fixed pulley. If the pulley is pulled up at an accelerating g, the tension in the string will be

A

\frac{4 w_{1} w_{2}}{w_{1} + w_{2}}

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B

\frac{2 w_{1} w_{2}}{w_{1} + w_{2}}

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C

\frac{w_{1} w_{2}}{w_{1} + w_{2}}

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D

\frac{w_{1} w_{2}}{2 (w_{1} + w_{2})}

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Solution

The correct option is A $\frac{4 w_{1} w_{2}}{w_{1} + w_{2}}$
Hence,
option $(A)$ is correct answer.

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