W 토 132 + 13 31 ū 3. With reference to the triangles in the figure: A□ The triangles do not obey the vector summation rule B□ The triangles belong to an operating machine C None of the others D□ The triangles belong to a motor machine

P1(5, 20,10) will be rotated by 30 deg about the Z-axis. Followed by 90 deg about the X-axis, and the 45 deg about the Y axis. Find the final position.

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Slide B travels along the center line XX'. Q2A = 18 cm, AB = 72 cm. 1. With the crank in the position shown, draw the four bar linkage. Name each link and show the finite and infinite cranks.2. Find the two extreme positions of block B. Express your answer in terms of the acute angle formed by crank Q2A with the horizontal axis (like the angle 45° in the figure)3. Determine the length of the stroke of B. Write your answer  in two decimal places.