HISTORY

Sir Isaac Newton was an English mathematician, physicist, and astronaut. He is considered the founder of the classical mechanic.

Some of his work was focusing on finding the nature of the white light, and the law of gravitation.

In this book:

Philosophiae Naturalis Principia Mathematica was published in 1687. He wrote 3 main laws of motion:

- - First Law:
A body at rest will remain at rest, and a body in motion will remain in motion unless it is compelled to change its state by forces acting on it.
- - Second Law:
The sum of forces, F acting on a body is equal to its mass, m, times its acceleration.
∑F = ma

LAW EXPLANATION

Third Law:

To every action, there is an equal and opposite reaction.

Explanation:

Newton’s third law is often referred to as the law of Action-Reaction law.
This is means if we have two objects 1 and 2, So that:
Object 1 exerts a force F_1->2 on the second one, then also 2 exerts a force F₂_->1 on 1, Therefore the two forces
So, F_1->2 = F_2->1

The mathematical explanation is:

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