what type of machine is a seesaw
Six simple machines LEVER-seesaw, shovel, crowbar, nutcracker INCLINED PLANE-ramp, stairs, ladder WEDGE-knife, ax WHEEL AND AXLE-bicycle wheels, roller skates, doorknob, screwdriver SCREW-jar lid, wood screw PULLEY-flagpole rope COMPOUND MACHINES A combination of two or more simple machines.