Q3) For the combined linkage mechanism shown in figure, a) Calculate the number of the degree(s) of freedom, please labelled all links and joints b) Write the constraints (position variables) and closure loop equation(s) c) Find values of all position constraints for given posture Use algebraic-solution method SA=30 mm -60 mm AC=40 mm O2S=60 mm --35 mm CD=50 mm DE=50 mm O2G=45 mm -60 mm DO6=50 mm O,H=15 mm EO,-50 mm EF=45 mm 150 A 06 F K E D. 0) For a four-bar mechanism shown in figure,