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6. When two objects of equal unequal mass are hung vertically over a frictionless pulley of negligible mass, as in the figure below, the arrangement is called an Atwood machine. Assume that mo > mi. mg nig (a) (2 points) Draw the free body diagram for each mass. Indicate the direction of its acceleration off to the side. (b) (2 points) Find an expression for the acceleration of the system (c) (2 points) Find an expression for the tension in the cord.
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