In Philosophiæ Naturalis, Sir Isaac Newton defined inertia as follows: The vis insita, or innate force of matter, is a power of resisting by which every body, as much as in it lies, endeavours to preserve its present state, whether it be of rest or of moving uniformly forward in a straight line. Although Newton was referring to physical objects, the power of inertia affects … [Read more...] about The Three Requirements To Overcome Inertia