A system uses a pulley that is made using a small ring of mass mA. The radius ra is attached to a disk of mass me and ra

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A System Uses A Pulley That Is Made Using A Small Ring Of Mass Ma The Radius Ra Is Attached To A Disk Of Mass Me And Ra 1 (94.91 KiB) Viewed 33 times

A system uses a pulley that is made using a small ring of mass mA. The radius ra is attached to a disk of mass me and radius r so they move together. The pulley has blocks m₁ and m₂ attached together by a massless string that wraps over the larger radius of the pulley. Their centers of mass have a vertical separation distance L (not shown in the figure). The system is held in place before being released. Neglect any friction produced by the pulley's rotation once the system is in motion. MB MB m₁ m₂ Clearly write out an expression for the moment of inertia of the pulley using the variables that describe the pulley. Use the following values: m₁ = 2.5kg, m₂ = 1.5kg, L = 5m, mA = 1.15kg, A = .1m, MB = 1.35kg, B = .15m. 1. Using Newton's Second Law of Motion, find the net force on the block m₁ and the net torque acting on the pulley. Be sure to include a Free Body Diagram for m₁ and an Extended Body Diagram for the pulley. Do either of these values change while the system is in motion? II. Using Conservation of Mechanical Energy, find the angular speed of the pulley and the linear speed of m₂ at the instant m1 has fallen 2m. Does the angular speed of the pulley change while the system is in motion?