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When a question says “ given that the string does not slip on the pulley” we use a=alpha*r to solve the problem, but how exactly do we get this?

When a question says “ given that the string does not slip on the pulley” we use a=alpha*r to solve the problem, but how exactly do we get this?

Grade:11

1 Answers

Tushar Srivastava
25 Points
8 years ago
in the case of ideal pully,the pully not rotates on its axis,the rope will slide on the pully without friction,but in this case there will be some friction b/w pully and rope,which will apply a torque b/w rope and pully.

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