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Class 11 NEET Physics Laws of Motion Questions

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Question : 22

Total: 75

A system consists of three masses m1,m2 and m3 connected by a string passing over a pulley P. The mass m1 hangs freely and m2 and m3 are on a rough horizontal table (the coefficient of friction= f.!). The pulley is frictionless and of negligible mass. The downward acceleration of mass m1 is : (Assume m1=m2=m3=m)

g(1−gμ)
g
2gμ
3
g(1−2μ)
3
g(1−2μ)
2

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