7. Find the center of mass of a baseball bat using the technique that you learned in class.
8. Carefully balance a light object (not too massive) over a table or catch box. Notice that the C of M is directly over the point of support. Move the support a little bit. Explain how this technique can be adapted to tackling in football.
9. Cut out a piece of cardboard in the shape of your state or a country. Find the geographic center of mass of your shape.