Newton’s Third Law of Motion Explained

Newton’s Third Law of motion is also known as the Law of Opposite and Equal Forces. According to this law, for every force, there is an equal and opposite force. This explains why we don’t fall through the floor. Our weight on the floor pushing down is balanced by an opposite force pushing up. Wait! There’s more!

Newton’s Second Law of Motion Explained

Newton’s Second Law of Motion is also known as the Law of Acceleration. According to this law, F=ma where F is the force being applied to the object, m is the mass of the object, and a is the acceleration experienced by the object. When all other variables are equal, the greater the force, the greater the acceleration. When all other variables or equal, the greater the mass, the less the acceleration. This explains why greater force is required to move an object with greater mass.   Continue reading

Newton’s First Law of Motion in Action


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Sir Isaac Newton

Sir Isaac NewtonSir Isaac Newton (1642-1727) was the greatest scientist of his time. This English physicist and mathematician established the modern study of optics. He was the first to articulate a concept of the force of gravity. In his “Philosophiae Naturalis Principia Mathematica” (“Mathematical Principles of Natural Philosophy”), published in 1687, Newton demonstrated the way in which the universal force of gravity – also referred to as weight – applied to all objects in the universe. Wait! There’s more!

Gravity/Weight


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