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# N7 - m Problem An Atwood Machine consists of a pulley of...

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N7: Coupled Objects

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Problem : A box of mass M is attached to a chain of mass m. A person pulls on the chain with a constant force F. What is the force that the chain exerts on the box?
Problem : A worker lifts a crate of mass m at constant speed using the pulley arrangement shown above. What force must she exert on the rope to do this? How much work must she do to lift the block a distance h?

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Unformatted text preview: m Problem : An Atwood Machine consists of a pulley of mass M and radius R attached by strings to two unequal masses and . Find the tension in the two sides of the string assuming that the string does not slide over the pulley. Neglect the mass of the string. The moment of inertia of the pulley is...
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