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Unformatted text preview: the force at an angle of 60 to the seesaw. (dAnswer) when you are all the way at the end, and exert the force perpendicular to the seesaw. Solution See a careful discussion of this in section 13.1. Total Points for Problem: 2 Points Solution to OnLine Homework Problem 21.2() Problem: When there is no net external torque acting on an object, 1 Select One of the Following: (a) its angular momentum is changing. (b) it cannot be rotating. (cAnswer) it is in rotational equilibrium. (d) it cannot have any angular momentum. Solution When is the angular momentum of a system conserved? Total Points for Problem: 2 Points 2...
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 Spring '08
 Stewart
 Physics, Work

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