It means essentially the same thing as the current 'in-vogue' phrase, "It is, what it is." It means the law is not negotiable. It may not seem just in some cases but it is, above all else, the law.
the liftoff of a rocket from the launch pad is a good example of this principle. Just prior to engine ignition, the velocity of the rocket is zero and the rocket is at rest. If the rocket is sitting...
Newton's first law, which dictates that objects will maintain their current states of stillness or motion unless acted upon, affect rockets in two ways.
First, it establishes the need to exert a...