ch07-p004 - 4. The work done by the applied force Fa is...

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4. The work done by the applied force a F G is given by cos aa WFdF d φ =⋅ = G G . From Fig. 7-24, we see that 25 J W = when 0 = and 5.0 cm d = . This yields the magnitude of a F G : 2 5.0 10 N 0.050 m a W F d == = × . (a) For 64 , we have
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