Quotes by Sir Isaac Newton

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Newton's Five

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The Law of Inertia

Every body continues in its state of rest or of uniform motion in a right line unless it is compelled to change from that state by forces impressed upon it.

An object at rest remains at rest and an object in motion remains in motion unless acted upon by an outside force.

The Law of Acceleration

Change in motion is proportional to the motive force impressed and is made in the direction of the right line in which that force is impressed.

F=MA

The Law of Action and Reaction

To every action there is an equal and opposite reaction.

For every action there is an equal but opposite reaction.

The Law of Absolute Time

Absolute, true, and mathematical time, of itself, and from its own nature, flows equably without relation to anything external.

The Law of Absolut Space

Absolute space, in its own nature, without relation to anything external, remains always similar and immovable.