Forces are interactions that can cause a change in the motion of an object. They have both magnitude (strength) and direction. Some examples of forces include:
* Gravitational force: The force of attraction between any two objects with mass.
* Electromagnetic force: The force that governs interactions between electrically charged particles.
* Strong force: The force that holds the nucleus of an atom together.
* Weak force: The force responsible for radioactive decay.
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