Problem 5. Consider the four-bar linkage shown, where
$L_0 = 70$ cm, $L_1 = 20$ cm, $L_2 = 60$ cm, $L_3 = 100$ cm.
(a) Using Grashof's law, what type of four-bar linkage is it?
(b) Identify the crank, and calculate the minimum and maximum transmission angles.