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Physics: Principles and ProblemsChapter 10:
Energy, Work, and Simple MachinesProblem of the Week![](/sites/dl/free/0098458137/193800/ch10_title.gif) (1.0K) | ![](/sites/dl/free/0098458137/193800/POWsolutions.gif) (0.0K) | ![](/sites/dl/free/0098458137/193800/POWproblem1.gif) (0.0K) | To
determine the ideal mechanical advantage of gears, you can simply
count the teeth. See discussion in Glencoe Physics: Principles
and Problems ('99 ed.) pages 235-236. | | ![](/sites/dl/free/0098458137/193800/ch10_diagram.gif) (4.0K) | | IMA = IMAA x IMAB IMA = 3.0 x 3.2 = 9.6 | | ![](/sites/dl/free/0098458137/193800/POWproblem2.gif) (0.0K) | The
frame width of Figure 2 is 200 µm which is about
equal to the width of the gear mechanism. Looking at Figure
1, use the length of the gear mechanism as a guide to determine
the size of the mirror. The mirror dimensions are about 200
µm by 30 µm. | | ![](/sites/dl/free/0098458137/193800/gutter.gif) (0.0K) | ![](/sites/dl/free/0098458137/193800/gutter.gif) (0.0K) | ![](/sites/dl/free/0098458137/193800/gutter.gif) (0.0K) | ![](/sites/dl/free/0098458137/193800/gutter.gif) (0.0K) | ![](/sites/dl/free/0098458137/193800/gutter.gif) (0.0K) |
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