Chapter 5 Absolute Motion - Question 1 [In Persian]
oom 𝑂𝐴 is being elevated by the rope-and-pulley arrangement shown. If point 𝐵 on the rope is given a constant velocity 𝑣𝐵 = 9 ft/sec, determine the angular velocity 𝜔 and angular acceleration 𝛼 of the boom for 𝜃 = 30°.