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Masses M and m are tied together by a string that goes over three pulleys as shown in figure. If m = 3kg, M = 10kg an acceleration of M is 1m/s 2 , then what is the frictional force on M.

Masses M and m are tied together by a string that goes over three pulleys as shown in figure. If m = 3kg, M = 10kg an acceleration of M is 1m/s2, then what is the frictional force on M.


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Grade:10

1 Answers

Simran Bhatia
348 Points
8 years ago

Free body diagram for m and M are

If a is the acceleration of M, then acceleration of m is a/2.

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Equations for m and M are

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