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 ...

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 ...

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 ...

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 ...