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Q. Two masses of $10kg$ and $5kg$ are suspended from a fixed support as shown in figure. The system is pulled down with a force of $150N$ attached to the lower mass. The string attached to the support breaks and the system accelerates downwards. If the downward force continues to act, what is the acceleration of the system?
Question

NTA AbhyasNTA Abhyas 2020

Solution:

Solution
$a_{sys}=\frac{300}{15}=20ms^{- 2}$