Problem 1: In the mechanism shown below, link 4 is moving to the left at the rate of 122 cm/s (constant). Write the appropriate vector equations, solve them using vector polygons, and a) Determine w₂, W3 and w4 b) Determine a₂, α3 and α4 Link lengths: AB = 305 cm, BC = 610 cm mv = 20 cm/s, MA = 2 cm/s². 259 cm C VC4 4 B 120° 2 3 A