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You step onto an initially nonrotating turntable like the one in Fig. 11.8, holding a nonrotating wheel with its axis vertical. You’re careful not to exert any torques so that the turntable remains stationary as you step on. (1) If you then spin the wheel counterclockwise as viewed from above, will you and the turntable rotate (a) clockwise or (b) counterclockwise? (2) If you now turn the spinning wheel upside down, will your rotation rate (a) increase, (b) decrease, or (c) remain the same? (3) As you turn the wheel upside down, will the direction of rotation (a) remain unchanged or (b) reverse?
FIGURE 11.8 A demonstration of
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Chapter 11 Solutions
Essential University Physics: Volume 1 (3rd Edition)
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