  The electron and the proton have a negative electrostatic charge and a positive electrostatic charge respectively. Each charge-and the force associated with that unit of charge-is constant-and equal.(The electron and proton have equal, but oppositely polarized, electrostatic charges.) But there is more. The electron and the proton have a negative electrostatic charge and a positive electrostatic charge respectively. Each charge-and the force associated with that unit of charge-is constant-and equal.
The start of life for the tank did not bode well. The first model came off the factory floor on September 8th 1915. On September 10th, its track came off. The same happened on September 19th when government officials were watching.
It all started back in 1903 when Henry Ford and a few investors founded the company that would bear his name. The first vehicles produced were the Model C, the Model B, the Model F, the Model R, the Model S, the Model N and the Model K, all powered by 2- and 4-cylinder engines. However, the game-changer was the famous Model T introduced in 1908.