Contact and non-contact forces

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4 Terms

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What is a force?

a push or pull that acts on an object due to interaction with another objects

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Contact forces

need to be touching

e.g. friction, tension, normal contact force, reaction force, air resistance

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Non-contact forces

Do not need to be touching

e.g. Magnetism, Electromagnetism, Gravity

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Newton’s Third Law

When objects interact, they exert equal and opposite forces on each other