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Suppose the weight of the drawbridge in Figure 9.33 is supported entirely by its hinges and the opposite shore, so that its cables are slack. The mass of the bridge is 2500 kg. (a) What fraction of the weight is supported by the opposite shore if the point of support is directly beneath the cable attachments? (b) What is the direction and magnitude of the force the hinges exert on the bridge under these circumstances?
Question Image
<b>Figure 9.33</b> A drawbridge.
Figure 9.33 A drawbridge.
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Final Answer
  1. $\dfrac{1}{6}$
  2. $2.0\times 10^{4}\textrm{ N, up}$
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OpenStax College Physics Solution, Chapter 9, Problem 12 (Problems & Exercises) (2:51)

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