Newton's Laws What the greatest scientific mind of all time didn't know or couldn't work out, wasn't worth knowing, it was said but Newton was a virgin when he died and never discovered the mass of another's body, its inertia at rest, the way it responds to external forces, or the force a body experiences when it interacts with another body, an inclination, the initial uphill effort building towards a few slow seconds of weightlessness, then free fall and an easy acceleration all the way down