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| a, SUPRI/Reuters/Landov LLC
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| Figure 4.15 |
(a) A young woman keeps her balance during a performance by China's Sincuan Acrobatic group. A free-body diagram is shown (above
the shoulders) for the standing performer (b) before the act and (c) during the act. For convenience, the scales used for the vectors in parts b and c are different.
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