Atoms are composed of three particles with an electric charge: electrons, protons and uncharged neutrons. Electrons have a negative charge, and protons have a positive charge. The negative charge of ...

A force is a push or a pull that acts on an object due to the interaction with another object. Force is measured in newtons (N). Forces are divided into contact forces and non-contact forces. A force ...

Explore how to calculate the magnetic force on a current-carrying loop from a long straight wire! This tutorial breaks down the physics concepts behind magnetic fields and forces, perfect for physics ...