Get a broom handle with no broom on it. Hold it vertically with your palm over the top of it, and thrust it downwards into a concrete floor as hard as you can. The broom handle hits the floor, and the high degree of compressive stiffness of the broom handle transmits the impact efficiently into your hand, and now it hurts. Your hand didn't get any closer to the ground than the length of the broom handle because it did not compress, or bend, it just transmitted the force along the length of the handle. Now with the bottom of...