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The Life of

Charles Coulomb

Lindsea Buschert and Chelsea Mungons

Early life

Millitary School

Family

American Revolution

  • Charles Coulomb had two sons, and he married Louise Francoise LeProust Desormeaux in 1802.

Other Findings

  • Charles de Coulomb was born June 14 to Henri Coulomb (a lawyer) and Catherine Bajet.
  • Both of his parents came from well-established, aristocratic families.
  • Later on, his family moved to Paris, where he studied mathematics and attended the Collège des Quatre-Nations.

Solve this!

Torsion Balance

French Revolution

Death and Misc. Facts

  • Coulomb was enrolled into military school in 1759 and graduated from the Royal Engineering School of Mézières in 1761.
  • During his military career, he was stationed in several places.
  • Starting in 1764, he served nine years in Martinique, West Indies, and was in charge of building Fort Bourbon.

So....Coulomb was a smarty pants.

Coulomb's Law states that "the electrical force between two charged objects is directly proportional to the product of the quantity of charge on the objects and inversely proportional to the square of the separation distance between the two objects"

Coulomb died on August 23, 1806

There are 2 charges: one positive and one negative. The distance between the two points is 2.4 m. The positive object has a charge of 2.6uC and the negative has a charge of -7.1uC. What is the force between the two points?

~He was able to measure the frictional forces of electricity and magnetism

Coulomb's law has been the basis for other inventions such as the atomic bomb.

That's a lot of words. To put it in simpler words:

  • Like most aristocrats during that time, Coulomb was expelled from the government during the revolution.
  • He then retired to his estate in Blois.
  • He became deeply involved in scientific research. During this time, he investigated the friction of pivots, viscosity of fluids and energy of men affected by food and climate.

k in this equation is Coulomb's Law constant: 3.00(10)^8 m/s

  • 1776 was the start of the American Revolution. Before that time, Coulomb presented a scholarly paper "Statistical Problems applied to Architecture" which highly impressed the Acadamie.
  • In 1779 Coulomb was sent to Rochefort and he used the shipyards at Rochefort for his research on friction and the stiffness of ropes. These experiments led to his major work, Theorie des Machines Simples ("Theory of Simple Machines"), in 1781, which won him the Grand Prix of the Académie of Sciences.

Here's the equation again:

~The same device was previously invented by a guy named John Mitchell, but Coulomb made more use of it.

q is the charge

Coulomb had a part in creating the metric system

d is the distance

The amount of force between 2 objects depends on how much space is between them.

~The balance allowed Coulomb to measure force better than anyone before his time

F=(k)(2.6)(7.1)

-------------

(2.4)^2

This is the law in equation form:

9.61 (10)^8 N

He used it to measure the density of the earth. It led to what he is known for...

(It's on our formula sheet)

1806

1789

1759

1776

1736

1784

1785-1791

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