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Please solve this problem as soon as possible thanks

Please solve this problem as soon as possible thanks

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Grade:11

1 Answers

Adarsh
768 Points
6 years ago
The minimum force required to lift both A and B masses is 2mg.
if this force is apploied from the top then it will get stored in spring and get compressed , when the compressed spring is released then same force (2mg) will act on the system and mass B will just lift .
hope this will help ..

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