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Charles Augustin de Coulomb

Coulomb's Life:

Coulomb,a Frech Physicist, was born on June 14, 1736 in Angoulême, France and died Aug 23, 1806 in Paris, France. Coulombs father, Henry Coulomb and his mother Catherine Bajet brought Coulomb up in the wealthy life. Coulomb's interests were mainly in mathematics and astronomy and while in Montpellier, he joined the Society of Sciences in March 1757. Coulomb graduated at École du Génie at Mézières in February 1760. Over the next twenty years his main focus was engineering, instructural design, fortifications, soil mechanics, and many other fields. One great Achievement:-Coulomb studied into mecanical friction. The theory won him Grand Prix in 1781 from Academie des Science. Since this award was elected to the mecanic section, he moved to paris as permanant post and focused strictly on physics.

Coulomb's Quote:


- to determine, as far as a combination of mathematics and physics will permit, the influence of friction and cohesion in some problems of statics.

 
Did you know...?
  
-Did you know that Coulomb's Law was not actually discovered by Charles Coulomb? It was discovered by Henry Cavendish. However, Cavendish did not publish his results, and his documents were not discovered until half a century after his death. This was lucky for Coulomb, since he received the credit and fame for this spectacular discovery.

-Because of his good deeds to the field of electrical theory, the unit of quantity is used to measure electrical charges, the coulomb, was named after him. 

Coulomb's Law:

His law represents (in equation form) the magnitude of the electric forces between two electrical charges.F=k x q1 x q2/d2 k is contstant q1=>charge one q2=>charge two d=>distance

 Coulomb's Inventions:

-He invented the magneticscope, magnometer, and the torsionbalance.

-Coulomb researched the friction of machinery, windmills, and the elasticity of metal and silk fibers. He developed his theories while attempting to investigate the law of electrical repulsions. He discovered what is now known as Coulomb's Law, which states:

The force between 2 electrical charges is proportional to the product of the charges and inversely proportional to the square of the distance between them.

This repulsion formula was applied to the math theory of magnetic forces. Coulombic force, which is one of the key forces in atomic reactions, was named in his honor. 

Positive /Negative Charges

-Key charges- electric charges attract. Static Electricity: is a buildup of an electric charge on an object. Electric discharge: is the process of balancing electrical charges.
Links: :http://www-history.mcs.st-andrews.ac.uk/history/Mathematicians/Coulomb.htm :http://www.corrosion-doctors.org/Biographies/CoulombBio.htm
:http://physics.bgsu.edu/~stoner/P202/coulomb/sld008.htm