Contact force (source code)

= Contact force
{wiki=Contact_force}

Contact force refers to the force that acts between two objects that are in physical contact with each other. This can include a variety of types of forces that arise from interaction, such as: 1. **Frictional Force**: The force that opposes the relative motion or tendency of such motion of two surfaces in contact. It can be static (preventing motion) or kinetic (resisting sliding).