Usain Bolt holds the world record for being the fastest man alive. Runners require an incredible amount of strength because the stronger their muscles are the more strength they have to exert and push off the ground as they run.
Olympic athlete, Jenny Simpson was injured after the 2008 Olympics as a direct result of repeated stress on her legs and feet from running. The risk of injury for runners is higher for their joints and bottom torso because of the constant impact of forces on their bodies.
Wile E. Coyote flies in a hot air ballon and attempts to hit the Road Runner from above with an anvil. His mission fails because he doesn't understand physics very well. This clip can also illustrate to students what isn't correct about cartoon physics.
In an attempt to harm the Road Runner, Wile E. Coyote rolls a boulder in his path. His attempt is unsuccessful and quickly backfires in an unrealistic manner. This clip illustrates a violation of the conservation of energy.