Respuesta :

Newton worked in many areas of mathematics and physics. He developed the theories of gravitation in 1666, when he was only 23 years old. Some twenty years later, in 1686, he presented his three laws of motion in the "Principia Mathematica Philosophiae Naturalis." hope that helps 
Newton's First Law of Motion is the Law of Inertia,

The Second 
Law of Motionexpresses the relationship between force, mass and acceleration.

The 
Third Law of Motion states that "for every action, there is an equal and opposite reaction."
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