Sports
Biomechanics of Athletics
Quick fact
Usain Bolt's top speed of 44.7 km/h (27.8 mph) is achieved by generating over 3,000 Newtons of force with each foot strike—roughly three to four times his body weight.
Why this is interesting
Why can a high jumper clear a bar nearly twice their height, or a pitcher throw a ball at over 100 mph? The answer lies not just in strength but in the clever application of physics to the human body.