7B-W11 Lecture 7

# 7B-W11 Lecture 7 - Physics 7B Sections A, B, C & D...

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Unformatted text preview: Physics 7B Sections A, B, C & D Professor Lawrence B. Coleman 1 Lecture 7 Rotation, Torque and Conservation of Angular Momentum Physics 7B Winter 2011 - Lecture 7 Quote of the Week: To everything turn, turn turn.. -- The Byrds Physics 7B Winter 2011 - Lecture 7 2 Quiz 3 today @ 8:30AM and 9AM One Quiz left on March 2 nd & 3 rd Next week is Presidents Holiday, so check with your TA about cancelled DL meeting Post Lecture # 7 Assignment will be due on Tuesday @ 5PM Some ( only 1?) TAs are posting midterm evaluations Announcements Physics 7B Winter 2011 - Lecture 7 3 Forces cause changes in the motion of objects. Restatement of Conservation of Momentum Forces (impulses) cause changes in momentum Need to deal with the NET Force F net = F Vector Addition If P is changing a force must be acting Demo push block, air puck Effects of Forces Physics 7B Winter 2011 - Lecture 7 4 The bigger the force the greater the change in P . The direction of the change in P is the direction of the F . Motion in circle at constant speed. Demo ball on string Effects of Forces Physics 7B Winter 2011 - Lecture 7 5 Motion in circle at constant speed....
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## This note was uploaded on 04/17/2011 for the course PHY 7b taught by Professor Taylor during the Winter '08 term at UC Davis.

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7B-W11 Lecture 7 - Physics 7B Sections A, B, C & D...

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