The factors that affect magnetic force.

There are several factors that affect magnetic force, some major ones include:

1. Distance between magnets: The force between two magnets decreases as the distance between them increases.

2. Strength of the magnets: The stronger the magnets, the greater the magnetic force.

3. Orientation of magnets: The direction in which magnets are placed relative to each other can greatly affect the magnetic force.

4. Magnetic permeability of materials: Materials with higher magnetic permeability enhance the strength of the magnetic field and thus, the magnetic force.

5. Temperature: Magnetic force decreases with increasing temperature. At higher temperatures, magnetic materials can lose their magnetic properties.

6. Surface area: The larger the surface area of the magnets that are in contact with each other, the greater the magnetic force.

7. Magnetic field alignment: When the magnetic fields of two materials are aligned, the magnetic force between them increases.