PHY133_Angular_momentum

PHY133_Angular_momentum - PHYSICS 133 EXPERIMENT NO. 6...

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PHYSICS 133 EXPERIMENT NO. 6 CONSERVATION OF ANGULAR MOMENTUM Introduction In this experiment, we first study the relationship between torque, moment of inertia and angular acceleration, using a rotating platform. We then test the law of conservation of angular momentum by analyzing inelastic collisions between rotating objects. Equipment 1 rotating platform with photogate, 1 pulley with clamp, 1 iron disk with handle, 1 interface box, 1 computer with timing program, small masses, Vernier caliper. Method Observing the angular acceleration of an object, the rotating platform, under an external torque will enable us to measure the moment of inertia of the object, using the equation τ external = I α , where τ external is the net external torque, α is the angular acceleration, and I is the moment of inertia. After the moment of inertia is determined, conservation of angular momentum will be investigated by dropping a mass onto the rotating platform, and measuring the angular velocity ω before and after the "drop." The equation
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PHY133_Angular_momentum - PHYSICS 133 EXPERIMENT NO. 6...

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