12. In a pin jointed four bar mechanism, as shown in Fig. 2.1, AB 300 mm, BC-CD=360 mm, and AD 600 mm. The angle BAD-60°. The crank AB rotates uniformly at 100 r.p.m. a) Determine the angular velocity of link AB (AB) & linear velocity (V) b) Find the angular velocity of the link BC. 300 mm B 360 mm C 360 mm A m 60° 600 mm (Figure: 2.1) D