acceleration of point P on link 3. \begin{array}{l} \omega_{2}=1 \mathrm{rad} / \mathrm{s} \mathrm{ccw} \\ \alpha_{2}=1 \mathrm{rad} / \mathrm{s}^{2} \mathrm{ccw} \end{array} All horizontal and vertical edges are the same length, 1 meter.The diagonal edges are at 45°.

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