# Essay On Newton's 3 Laws Of Motion

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Newton is famous for many things, such as being the first to theorize about gravity after an apple fell on his head. Another one of his famous works includes theorizing and publishing his 3 laws of motion. These laws were first theorized by Newton in 1666, then formally published in his book Principia Mathematica Philosophiae Naturalis. The three laws are: objects will stay at rest or be moving unless acted upon by an unbalanced force, acceleration depends on an object’s mass and the force acted upon the object, and if one object exerts a force on another object then the second object exerts a force of equal strength in the opposite direction on the first object.

The first law, which states that objects will stay in its course of action, whether it is still or moving, unless acted upon by an unbalanced force. An unbalanced force can make an object speed up, if still, slow down, if in motion, or stop the object altogether. For example, when you throw a football through the air, the only reason it eventually slows down is that of the small amount of force that the football encounters while flying through the air from the air molecules. Another