
Concept explainers
For the bow of Prob. 7.7, determine the magnitude and location of the maximum (a) axial force, (b) shearing force, (c) bending moment.
7.7 An archer aiming at a target is pulling with a 45-lb force on the bowstring. Assuming that the shape of the bow can be approximated by a parabola, determine the internal forces at point J.
Fig. P7.7

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