lecture11_tth_2101_S11

lecture11_tth_2101_S11 - PHYS 2101 Spring 2011 I Rolling...

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PHYS 2101 I. Rolling Motion A. With NSL B. With COE I. Angular Momentum A. For a particle B. For a rigid object C. Relation to torque Spring 2011

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PHYS 2101 CT1: The blade of a power saw has a mass of 0.25 kg and a radius of 0.1 meters. It runs at an angular speed of 3000 rpm. If the average torque used to stop the blade is doubles, what happens to the net work acting on the blade? 1 - W net is doubled 2 - W net remains the same 3 - W net is cut in half Spring 2011
PHYS 2101 CT2: Which spool will hit the table first? 1 - the spool whose string you hold on to 2 - the spool whose string you don’t hold 3 - they hit at the same time Spring 2011

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EX1: Treating the spool as a hoop of radius R (and ignoring any change in mass or radius as the string unrolls), use Newton’s Second Law to determine the acceleration of the spool with the string you hold on to? PHYS 2101 Spring 2011
CT3: Which object will reach the bottom of the ramp first? 1 - hoop

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This note was uploaded on 06/20/2011 for the course PHYS 2101 taught by Professor Grouptest during the Spring '07 term at LSU.

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lecture11_tth_2101_S11 - PHYS 2101 Spring 2011 I Rolling...

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