1. (1) Three forces are applied to a tree sapling, as shown inFig. 12-45, to stabilize it. If FA = 385 N and FB = 475 N,find Fe in magnitude and direction.FBFIGURE 12-45 FCProblem 1.FIGURE 12-46Problem 2.2. (1) Approximately what magnitude force, FM, must theextensor muscle in the upper arm exert on the lower arm tohold a 7.3-kg shot put (Fig. 12-46)? Assume the lower armhas a mass of 2.3 kg and its CG is 12.0 cm from the elbow-jointpivot.2.5 cmFM-30.0 cm-105°ElbowjointFA

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Answered: 1. (1) Three forces are applied to a…

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1. (1) Three forces are applied to a tree sapling, as shown in Fig. 12-45, to stabilize it. If FA = 385 N and FB = 475 N, find Fe in magnitude and direction. FB FIGURE 12-45 FC Problem 1. 105⁰ -FA