In 1687, Sir Isaac Newton made the crucial connection that a single force, gravity, was responsible for the motion of objects on Earth and in the Solar System.
(Sir Isaac Newton; made; the crucial connection; T:In 1687) (a single force; was; responsible for the motion of objects on Earth and in the Solar System)
Sir Isaac Newton a single force
made was
the crucial connection T:In 1687
responsible for the motion of objects on Earth and in the Solar System