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EXAMPLE 52 Two-dimensional equilibrium Now we will look at an example where several forces are acting on an object, but in this case the forces are not all along the same axis, As shown in Figure 5.2a, a car engine with weight w hangs from a chain that is linked at point o to two other chains, one fastened to the ceiling and the other to the wall. Find the tension in each of the three chains, assuming that w is given and the weights of the chains themselves are negligible. sin 60 b) Free-body (c) Free-body (a) Engine, chains, and ring diagram for engine diagram for ring o A FIGURE 5.2 Video Tutor Selvi
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