Question: for the 4 bar linkage shown r1 25 cm...

For the 4 bar linkage shown, r1 = 2.5 cm, r3 =4 cm , r4 =3 cm. Determine the ranges of lengths for r2 (input crank) to make a crank-rocker mechanism, a drag-link mechanism, a change-point mechanism, and a rocker-rocker mechanism.