Solve Prob. 2028 if the connection at B consists of a pin as shown in the figure below

Chapter 20, Problem 20-35

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Solve Prob. 20–28 if the connection at B consists of a pin as shown in the figure below, rather than a ball-and-socket joint. Hint: The constraint allows rotation of the rod both along the bar (j direction) and along the axis of the pin (n direction). Since there is no rotational component in the u direction, i.e., perpendicular to n and j where \(\mathbf{u}=\mathbf{j} \times \mathbf{n}\), an additional equation for solution can be obtained from \(\boldsymbol{\omega} \cdot \mathbf{u}=0\). The vector n is in the same direction as \(\mathbf{r}_{D / B} \times \mathbf{r}_{C / B}\).