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In the system shown,pulley and strings are ideal.The vertically upward pull F is being increased gradually,find magnitude of F and acceleration of the 5 kg block at the moment the 10kg block leaves the floor.

In the system shown,pulley and strings are ideal.The vertically upward pull F is being increased gradually,find magnitude of F and acceleration of the 5 kg block at the moment the 10kg block leaves the floor.

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Grade:12

1 Answers

vikas kapoor
24 Points
4 years ago
ACC. Of the system= 100N-50N/10+5
                                   =10/3ms-2
Let the tension in the string be T
When the blocks start moving upward the tension in the string T(according to 5kg block) is
                          T=50+5×10/3=200/3N
Force F = T=200/3×2=400/3N
Acc of 5 kg block =10/3 m/s2

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