8) Determine the mobility for each of the mechanism shown. Specify the number of joints and members. Cam Contact (a) Pin in Slot Pin in Slot Pin in Slot (b) 9) Determine which (if either) of the following linkages can be driven by a constant-velocity motor. 4.2" 2.0" 2.0" 5.0" 2.6" 4.0" (a) 5.2" 2.7" (b) 10) Determine the mobility associated with the mechanism below. The figure is a schematic of the entire linkage for a large power shovel used in strip mining. It can cut into a bank 20m high and can dump to a height of 14.5m. Link 7 is connected to link 8 with a revolute joint. Specify the number of members and joints. 13 16 10 5 12 14 15 17 18 3