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Law's of Motion: Galileo and Newton

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Breanna Dean

on 8 October 2015

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Transcript of Law's of Motion: Galileo and Newton

How The Two Scientists' Theories Are Alike:
Galileo's thoery of Inertia is what sparked the idea of Newtons's Law's of Motion. The first law of motion is what is similar between the two famous scientists. Galileo's idea of Inertia helps to understand the orgin of Newton's Law of Motion. Intertia is the resistance of an object to a change in its state of motion. Netwon's first law states that every object tends to stay in motion until an outside force acts upon it. They relate because Inertia and the first law both include forces to act upon it.
Who is Newton?
One of the backbones of the Law's of Motion is Sir Issac Newton. Newton was born in 1642 and died 1727. Newton was born prematurely on Christmas. He grew up in England and went to Cambridge to get his degree. Later on, he was one of the most influental theriost of science. He changed phyicscal science with his three laws of motion.
Who was Galileo?
Galileo Galilei was an astronomer who was from Italy. He was born in 1564 and died in 1642. One of Galileo's most famous discoveries was when he saw Jupiter through his telescope. He also noticed the moons that orbited it, and challenged the idea that the Earth wasn't the center of the universe. However, another one of his famous ideas is Inertia. Which is used to help understand some of Newton's laws of motion.
The Three Law's of Motion
Newton's Laws of Motion:

Newton's first law- Every object in a state of uniform motion tends to remain in that state of motion unless an extrenal force is applied to it.

Newton's second law- The relationship between an object's mass m, its acceleration a, and applied force F is F= ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slate bold front); in this law the direction of the force vector is the same as the direction of the acceleration vector.

Newton's third law- For every action there is an equal and oppistite reaction.
What Galileo looked like:
Law's of Motion: Newton and Galileo
What Sir Issac Newton looked like:
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