101110-opp - Physics 121 1 Physics 121 2 8.1 8.2 8.3 a 0 1...

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Unformatted text preview: 11/10/10 Physics 121 1 11/10/10 Physics 121 2 8.1 8.2 8.3 a 0% 1 18% a=b>c=d 46% b 61% 2 20% b>c>a>d 12% c 27% 3 22% b>a=c>d 11% d 8% 4 26% e 2% 5 12% n 1% 6 1% 11/10/10 Physics 121 3 11/10/10 Physics 121 4 10/31/08 Physics 121 5 N rod->B N B->rod N mR aR = N rod mB aB = N rod mrod arod = N R R->rod R N B rod + NB rod->R rod mR aR + mB aB + mrod arod = N rod R + NR rod + NB rod + N rod mR a R + mB a B = 0 10/31/08 Physics 121 6 B mR a R + mB a B = 0 vR vB + mB mR =0 t t ( mR v R + mB v B ) =0 t mR vR + mB vB = constant 10/31/08 rR rB + mB mR v R + mB v B = mR t t R mR v R + mB v B = M t mR rR + mB rB R= mR + mB Physics 121 7 m3 m1 m2 R= r1 + r2 + r3 + ... = M M M 10/31/08 Physics 121 n i =1 mi ri M 8 11/10/10 Physics 121 9 F FL = Wd L W d 11/10/10 Physics 121 10 F W 11/10/10 Physics 121 11 F F R 11/10/10 Physics 121 W 12 = F R = FR sin F F F R 11/10/10 Physics 121 13 = F R = FR sin F F F R 11/10/10 Physics 121 14 11/10/10 =R F Physics 121 15 11/10/10 Physics 121 16 F net = 0 F up = F down F left = F right net 11/10/10 =0 Physics 121 clockwise = counter-clockwise 22 ...
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101110-opp - Physics 121 1 Physics 121 2 8.1 8.2 8.3 a 0 1...

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