05_InstSolManual_PDF_Part3

05_InstSolManual_PDF_Part3 - Applications of Newtons Laws...

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5.5. Set Up: Take upward. Apply to the person. Solve: (a) The free-body diagram for the person is given in Figure 5.5. The two sides of the rope each exert a force with vertical component gives Figure 5.5 (b) Set and solve for and Reflect: Only the vertical components of the tension on each side of the person act to hold him up. The tension in the rope is much greater than his weight. 5.6. Set Up: Use the coordinates shown in Figure 5.6. The wall exerts a force T on each end of the chain, where T is the tension in the chain at each end. is tangent to the chain at each end. Figure 5.6 Solve: (a) The free-body diagram for the chain is shown in Figure 5.6. The force at each end is resolved into its x and y components.
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