**Description**: Interactive Free flash animation to learn the principle of the electric motor as an application of the Lorentz force.

**Definition**

__Lorentz force__: When a wire carrying an electric current is placed in a magnetic field, each of the moving charges, which comprise the current, experiences the Lorentz force, and together they can create a macroscopic force on the wire (sometimes called the **Laplace force**). By combining the Lorentz force law above with the definition of electric current, the following equation results, in the case of a straight, stationary wire. **F = Il x B**