2. Then Given a fourbar crank-slider linkage with the link lengths L2 = a = 40 mm, L3 = b = 120 mm, - offset = c = -20 mm. For = 60, w2 = 5 rad/s (CCW), find @3, VA, VB, VBA for open circuit by a) Graphical method b) Instant center method c) Vector loop method. compare the obtained results.