lecture12_tth_2101_S11

lecture12_tth_2101_S11 - PHYS 2101 I. Angular Momentum A....

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Unformatted text preview: PHYS 2101 I. Angular Momentum A. For a particle B. For a rigid object C. Relation to torque II. Static Equilibrium Spring 2011 F x = F y = z = PHYS 2101 EX1: A 10-kg object is at the position moving with a velocity of . What is the angular momentum of the object about the origin? Spring 2011 r = 5 i + 3 j- 2 k v = - 4 i + 1 j + k PHYS 2101 EX2: A 10-kg object is located 5 meters due north of the origin. It is moving at a speed of 20 m/s at an angle of 30 east of due north. What is the angular momentum of the object about the origin? Spring 2011 PHYS 2101 CT1: Three observers, located at A, B, and C , watch a car travel down a straight stretch of highway. For which observer does the angular momentum of the car point out of the board? 1. Observer at A 2. Observer at B 3. Observer at C 4. None of the observers because the car travels in a straight line B A C Spring 2011 PHYS 2101 EX3: A 5-kg disk with a radius of 0.15 m is attached to one end of a 2-kg rod that is 0.50 m long and pivots about its other end. The rod and disk are rotating at a...
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lecture12_tth_2101_S11 - PHYS 2101 I. Angular Momentum A....

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