[Ans. 68 mm/s] The dimensions of various links in a mechanism, as shown in Fig. 7.33, are as follows: AB = 60 mm; BC= 400 mm; CD= 150 mm; DE=115 mm; and EF = 225 mm. -225 mm-110 B 30° A mm 150 mm 90° E Fig. 7.33 Find the velocity of the slider F when the crank AB rotates uniformly in clockwise direction at a speed of 60 r.p.m. [Ans. 250 mm/s] A at a uniform speed of 150 r.p.m.