A slider crank mechanism has the same layout is that of Figu

A slider crank mechanism has the same layout is that of Figure 2 (from the homework sheet issued in class). Crank OA is 150 mm long, the conrod AB is 450 mm long and angle AOB is 60 degrees. The angular rotation of the crank is 300 rad/s anticlockwise. Answer the following to 2 significant figures of accuracy, tolerance +/- 0.5 m/s, what is the magnitude of velocity V_a?

Solution

V_a = r(OA) * omega

= 0.150 *300 = 45 m/s (considering OA as crank as figure is not available)