13-105. The forked rod is used to move the smooth 2-lb
Chapter 13, Problem 13-105(choose chapter or problem)
The forked rod is used to move the smooth 2-lb particle around the horizontal path in the shape of a limacon, \(r=(2+\cos \theta)\) ft. If at all times \(\dot{\theta}=0.5 \mathrm{\ rad} / \mathrm{s}\), determine the force which the rod exerts on the particle at the instant \(\theta=90^{\circ}\). The fork and path contact the particle on only one side.
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