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Forces - Coggle Diagram
Forces
Contact Forces
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Normal
Normal is what keeps objects from going through the floor (e.g if a book is on a table 'normal' keeps the book from going through the table.
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Friction
Friction is when two object rub against each other causing the object to stop. Friction also creates a small electrical force which can warm things up.
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Non-Contact Forces
Gravity
Gravity is what pulls everything towards each other. When you drop something the earth also moves towards the object you dropped it just doesn't move far because the earth is so heavy. If you put two objects with the same mass in space with no objects around them they will be pulled towards each other because everything is attracted to each other.
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Magnetism
Magnetism is a physical phenomenon produced by the motion of electric charge, which creates a repulsive force between objects
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