A person creates an Atwood A person creates an Atwood\'s Machine as shown at the

Question

A person creates an Atwood

A person creates an Atwood's Machine as shown at the right. They have a total of 1.0 kg of modeling clay which they will divide up to make the 3 masses. They want to place 0.4 kg of clay at point A and the remainder at B & C, such that mass MA experiences no movement. Assume that the pulleys and strings are massless as usual. Is it possible to set up the desired situation with no motion at point A? If so, describe the distribution of mass necessary to accomplish this outcome. If not, explain why this outcome is impossible to achieve. Describe quantitatively the relationship between the two masses MB & MC and the mass MA. Use the quantity ? called reduced mass, given by: 1/?= 1/MB + 1/MC in the current notation. Explain generally (and quantitatively) how a massless pulley with two masses attached can be used to balance a mass on the other side of another pulley. What are the balancing rules operating here? In this situation, what is the largest mass MA that can be placed at point A and still not move under the influence of the other two masses?

Explanation / Answer

where is the point A B and C

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