a device that uses electicity to a force to move things

motor? electromagnet?

Motor?

The device you are referring to is an electric motor. An electric motor converts electrical energy into mechanical energy to produce motion. It operates based on the principle of electromagnetism. Here's a step-by-step explanation of how it works:

1. Electric Current: To power an electric motor, an electric current needs to flow through it. The current is typically supplied by a battery or an electrical power source.

2. Electromagnetic Field: Within the motor, there are typically two main components: a stationary part called the stator and a rotating part called the rotor. The stator usually consists of a set of coils, often wound around an iron core. When an electric current flows through the coils, it creates a magnetic field.

3. Commutator and Brushes: The rotor, on the other hand, contains a coil or a set of magnets. The arrangement of the rotor allows it to rotate within the stator. To transmit the electric current to the rotor, there is a device called a commutator. The commutator consists of metal segments that are connected to the rotor coils. Brushes, typically made of carbon, make contact with the commutator segments, allowing the current to flow.

4. Electromagnetic Force: As the electric current flows through the rotor's coil, it interacts with the magnetic field generated by the stator. According to the principle of electromagnetism, this interaction creates a force that pushes or pulls the rotor, causing it to rotate.

5. Continuity of Motion: The direction of the current passing through the rotor coils is continuously reversed by the commutator as it rotates, ensuring a continuous push or pull force. This reversal allows the rotor to keep rotating in the same direction.

Electric motors are widely used in various applications, from household appliances like fans and washing machines to industrial machinery and transportation systems like cars and trains.