In a four bar chain ABCD, AD is fixed and is 120 mm long. The crank A…

Question

In a four bar chain ABCD, AD is fixed and is 120 mm long. The crank AB is 30 mm long and rotates at 100 r.p.m. Clockwise, while the link CD=60mm oscillates about D. BC and AD are of equal length. Find the angular velocity of link CD when angle BAD = 60°