Football Physics Project

The Physics Behind Running (1)

As you run, you are moving your legs against gravity, which means that you are creating gravitational potential energy. This creation and release of energy come from your tendon's elasticity. Much like a rubber band, whenever you step, your tendon stretches, therefore storing potential energy. Then, whenever you get off the ball of your foot, your potential energy becomes kinetic energy.

 

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The Physics Behind Running (2)

Whenever you are running, the highest level of potential energy is at the peak height both, the knee and/or foot reaches. This is because the distance between your foot, and/or knee, and the ground, h, directly affects the potential energy output. It can be proven by the equation:

Potential Energy= (mass)(gravity)(height)

In this case, the values of mass and gravity do not change. However, the distance, or height, between both, your foot and/or knee, and the ground varies as you run. Therefore, as your height increases, potential energy increases.

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The Wheel

The oldest recorded wheel was a wooden model built by the Slovenians and dated around the year 3,200 B.C. It was built of ash and oak.  At this time the axel was also built. This device was indented to rotate with the wheel so that it could be used to mount to a structure, such as a pushcart, in order to provide transportation.

Source: The Slovenia Times 2017