8.2 - MasteringPhysics: Assignment Print View

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Ch8_2 Due: 10:00pm on Wednesday, October 20, 2010 Note: You will receive no credit for late submissions. To learn more, read your instructor's Grading Policy [ Switch to Standard Assignment View] You should make a serious attempt at these problems before your October 20 workshop. You only have a couple of hours after the work shop to make final adjustments before the due time !! You will do poorly in the work shop if you are unprepared. !! If you need help consult the Help Blog and/or visit the help room. Problem 7.4 Part A If Luis pulls straight down on the end of a wrench that is tilted above the horizontal and is = 35 long, what force must he apply to exert a torque of -17 ? Express your answer using two significant figures. ANSWER: = 56 Correct Problem 7.7 Part A What is the net torque on the pulley about the axle? Express your answer using two significant figures. ANSWER: 0.20 Correct Acceleration of a Pulley A string is wrapped around a uniform solid cylinder of radius , as shown in the figure . The cylinder can rotate freely about its
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8.2 - MasteringPhysics: Assignment Print View

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