Question
The trailer hitch shown in Figure 1 and Figure 1-1 (p. 11) has loads appliedas defined in Problem 1. The 100-kgf (980 N) tongue weight actsdownward and the pull force of 4905 N acts horizontally. Using thedimensions of the ball bracket shown in Figure 1-5 (p. 14), determine: (a) The principal stresses in the shank of
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