In physics, force is any interaction that, when unopposed, will change the motion of an object. Physical force may also refer to:

• Physical force Chartism, the section of the Chartist movement in mid-19th century Britain that supported the use of violence
• Physical force Irish republicanism, the section of the Irish republican movement since the 18th century that supports the use of violence

See also

• Monopoly on the legitimate use of physical force, a core concept of modern public law
• Force (disambiguation)