Contact and non-contact forces
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6 Terms
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What is a force?
A push or a pull on an object that is caused by it interacting with something
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What is a contact force?
When two objects have to be touching for a force to act
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What is a non-contact force?
When the objects do not need to be touching for a force to act
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What are examples of contact forces?
Friction, air resistance, tension in ropes, normal contact force
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What are examples of non-contact forces?
Magnetic force, gravitational force, electrostatic force
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What is Newtons third law?
whenever two objects interact, they exert equal and opposite forces on each other
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