The bouncing back and forth is crucial for overcoming gravity; it leads to increased velocity and higher impact forces that are essential in stunts such as wall jumps.
To execute a re-bounding wall jump, a frictional force must match or surpass the gravitational force of 735 newtons, necessitating a normal force of at least 1,225 newtons.
The net force required combines both gravitational and normal forces, totaling 1,429 newtons, equivalent to about 321 pounds, showcasing the impressive physical demands of parkour.
Parkour practitioners must master not only the mechanics of jumping but also the physics involved, including understanding linear algebra to calculate necessary forces effectively.
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