How Do You Make A Wheel And Axle Simple Machine?
This machine can be built with things that are either free or lying around the house. A simple wheel and axle machine allows the study of torque and shows how the difference between the size of the axle and the size of the wheel affect each other. This machine is suitable for school projects but requires adult assistance to build. Step 1 Glue the end of the cracker box shut by squirting the glue under the flaps at the end. Press the flaps flat and beware of any hot glue that might ooze out. Glue the end flat so the box does not tip over when it is placed on end. Allow the glue to cool. Step 2 Measure the radius of the CD or DVD disk and add 1/2-inch. Mark the box this distance from the glued end all the way around using a Sharpie. Cut this line. Step 3 With pliers, straighten the coat hanger. Measure a section 2 inches wider than the cracker box and, with the wire cutter, cut the coat hanger. This will serve as the axle. Step 4 Pull out the shaft of the oral syringe that has the rubber
