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Part I: MULTIPLE CHOICE. (15 points each} Choose the one alternative that best completes the statement or answers the question. Show your work for partial credit. Figure 5.5 C=50 N Three forces A, B, and C act on a body as shown. A fouri force F is required to keep the bod}.F in equilibrium. 1) In Figure 5.5, the y-component of force F is closest to: 1) A) +24 N B} +32 N C) -28 N D) 32 N E} +28 N