Audrey Figueroa 3rd Period AP European History 11/9/2017 Isaac Newton Many people as children probably heard the story of Isaac Newton sitting by a tree and inventing the concept of gravity when he saw an apple fall, but the discovery of the concept of gravity was not his only achievement. He also invented a lot of other ideas and concepts including his three laws of motion, calculus, the Newtonian telescope, and many others. Newton’s three laws of motion are the law of inertia, the law of acceleration, and the law of reciprocal actions. The law of inertia is that a still object will not move unless there is a force acting upon it. The law of acceleration is that when a force acts upon an object then the object will move in the direction