Question: LAB 1 2 : ANGULAR MOMENTUM 1 3 7 PRELAB The figure to the right shows a mass hanging from a pulley. Draw a free

LAB 12: ANGULAR MOMENTUM
137
PRELAB
The figure to the right shows a mass hanging from a pulley.
Draw a free body diagram for the hanging mass and write Newton's second law for it. Take down to be positive.
Replace the linear acceleration "a" in your answer to Question 1 with ar. Solve for tension (T).
The torque applied to the pulley is rT. Because =Ia, we have rT=Ia or T=Iar. Substitute this value into your answer for Question 2 and solve for I. This is the moment of inertia of the pulley.
LAB 1 2 : ANGULAR MOMENTUM 1 3 7 PRELAB The

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