Check us out at www.tutorvista.com The torsion balance, also called torsion pendulum, is a scientific apparatus for measuring very weak forces, usually credited to Charles-Augustin...
The electric force between two positively charged particles is repulsive and inversely proportional to the square of the distance between the two particles.
Some simple example problems involving Coulomb's Law. Each problem is set up and the solution is explained. From the physics course by Derek Owens. The...
Physics: Coulomb's law for electrostaticforce. This is a recording of a tutoring session, posted with the student's permission. These videos are offered on a "pay-what-you-like"...