# The Science Of Newton's Laws

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Last updated 6 years ago

Discipline:
Science
Subject:
Physics
Grade:
6

The Science of Newton's Laws

Sir Isaac Newton's Life

English physicist and mathematician Sir Isaac Newton, most famous for his law of gravity, was the scientific revolution of the 17th century. On January 4, 1643, Isaac Newton was born in the hamlet of Woolsthorpe, Lincolnshire, England. He was born prematurly and the hospital staff didn't expect him to live. He lived, and 12 years later he went to school were he was soon awing his teachers with his intuexual strengths.

Newton's 3rd law is aboout cause and effect, actions and reactions. When a force is applied to a mass there automatically becomes an equal and opposite force.

Newton's First Law of gravity is simply genious. It says that when an object that is stationary wil tend to stay stationary unless an unbalenced for acts upon it. The law also says when an objects net force is zero, it is not moving. Also when an object that is moving will stay in that motion pattern. One word that sums up Newton's 1st law is interia.

I'm a gymnast, and when I do giants on the bars my body stays in motion because once I start going it is harder to stop because as I'm spinning around the bars, I am building up momentuim.

Newton's Second Law is about when you push or apply a force to an object, it will cause it move or accelerate. The formula for this law is F=ma2. F=ma stands for mass X acceration.

Newton's 1st Law of Gravity

Newton's 3rd Law of Gravity

Newton's 2nd Law of Gravity

Example of 1st law

Example of 2nd Law

Another sport I do is MMA (mixed martail arts). At MMA my teacher will hold upboxing pads for me to practice my punches on. When my boxing gloves hit the pads the pads and my teacher are moved back a little bit. This demonstrates Newton's 2nd Law because pads (the mass) are being pushed by my boxing gloves (the force).

You probably know by now that I do a lot of sports. But something I do for a hobby is swimming. In the lap pool at the YMCA as I swim though the water I push my arms backwards to move forwards, isn't that weird? My arms are taking the water and pushing it behind me, which will cause me to accerate forward.

Example of 3rd Law

Newton's 1st law

Newton's 3rd law

Newton's 2nd law

Opposite action:For every force there is an equal and opposite force.

F=ma:Applying a Force to a mass will cause it to accelerate.

The law of inertia:An object at rest tends to stay at rest.An object in motion tends to stay in motionunless acted upton by an outside force.

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