The system shown in the figure is in equilibrium and at rest. The spring and string are massless, now the string is cut. The acceleration of mass $2 m$ and $m$ just after the string is cut will be

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The system shown in the figure is in equilibrium and at rest. The spring and string are massless, now the string is cut. The acceleration of mass 2 m and m just after the string is cut will be

TestHub · Accepted Answer

Initially under equilibrium of mass m T = m g Now, the string is cut. Therefore, T = m g force is decreased on mass m upward and downwards on mass 2 m . ∴ a m = m g m = g d o w n w a r d s and a 2 m = m g 2 m = g 2 ( u p w a r d s )

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