In the Atwood’s machine as shown in the figure where m1 = 12 kg and m2 = 10kg, the system starts from rest. What is the speed and distance moved by each mass at t = 3s? 





Dear Student,

Please find below the solution to the asked query:

The speed will be same for both block, so let us consider the block 1. Here the force on the block is F=m1-m2g=12-10×9.8=19.6 N
So the acceleration of the system is a=Fm1+m2=19.612+10=0.6125
So speed after 3 s will be 0.6125×3=1.84 ms-1

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