1121_EXP_3_HW

# 1121_EXP_3_HW - m 2 takes a time 1 2 1 2 2 m m m m g h t...

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Physics 1122 Exp. 3 Atwood Machine Homework NAME:___________________________ 1) Define: a) Torque. b) Moment of inertia. 2) Write Newton’s second law for rotational motion. 3) Atwood’s machine consists of two masses connected by a string that passes over a pulley, as show in the figure. Consider the pulley to be massless and frictionless. Show that, if released for rest,

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Unformatted text preview: m 2 takes a time ( ) ( ) 1 2 1 2 2 m m m m g h t − + = to reach the floor. m 1 m 2 m 2 > m 1 h 4) Let M be the mass of the pulley in the previous question. If the effect of friction on the pulley is considered (as it be in Exp. 3), how long does it take m 2 to reach the floor? The mass is again released from rest and height h ....
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1121_EXP_3_HW - m 2 takes a time 1 2 1 2 2 m m m m g h t...

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