Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.
Laws of Motion, I - Philosophiae Naturalis Principia Mathematica (1687)
Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.
Laws of Motion, I - Philosophiae Naturalis Principia Mathematica (1687)