Final answer:
In physics, forces can be contact or non-contact. Contact forces require physical touch, while non-contact forces act at a distance without touch.
Explanation:
Force: A force is an interaction that causes an object to change its motion or state.
Contact forces: These forces occur when objects are in direct physical contact, such as friction, tension, and compression.
Non-contact forces: These forces act without direct contact between objects, like magnetic forces or gravitational forces.
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