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Class 11 NEET Physics Laws of Motion Questions

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Question : 25

Total: 75

Three blocks with masses m, 2m and 3m are connected by strings, as shown in the figure. After an upward force F is applied on block m, the masses move upward at constant speed v. What is the net force on the block of mass 2m?
(g is the acceleration due to gravity)

3 mg
6 mg
zero
2 mg

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