This shows the thrown ball (from Freshman physics) should follow a parabolic arc rather than a straight line. https://en.wikipedia.org/wiki/Principle_of_least_

This shows the thrown ball (from Freshman physics) should follow a parabolic arc rather than a straight line. https://en.wikipedia.org/wiki/Principle_of_least_action https://en.wikipedia.org/wiki/Principle_of_least_action