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Translational ….. Circular…..now rotational Difference between Circular & Rotational motion CAUSES…. F net F C, and now NET Vector – direction & units

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REQUIREMENT: F and d must be

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10 N 6 N = 10(1.5) = 15 N-m CCW

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10 N 6 N = 10(1.5) = 10(3) = 15 N-m = 30 N-m CCWCW

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10 N 6 N = 10(1.5) = 10(3) = 6(4.5) = 15 N-m = 30 N-m = 27 N-m CCWCW NET = 42 N-m CW

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20 N 32 N 12 N 20 N 12 N = 20(7) = 140 Nm CW = 32(5) = 160 Nm CCW = 12(2.5) = 30 Nm CW = 20(2) = 40 Nm CCW = 12(5) = 60 Nm CCW NET = 90 N-m CCW

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20 N 28 N 20 N 40º 20º 40º = sin40(20)(2) = 25.7 Nm CW = sin20(28)(1) = 9.57 Nm CW = sin40(20)(3) = 38.6 Nm CCW NET = 3.33 N-m CCW

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53

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545 315 T 53° ROTATIONAL CW = CCW 545 (1.5)+ 315 (2.5)= sin53 T (5) T = 402 N

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545 315 T 53° TRANSLATIONAL NEED: 539 UP 321 242 242 RIGHT 539 242 591 N 66° above the hor

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FNFN W bridge W bear ROTATIONAL CW = CCW F N (12) = 250(9.8)(6) + 900(9.8)(4) F N = 4165 N

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