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All terms in this list:

simple machine: Have 1 or 2 parts, and they help make work easier

wedge: Made from 2 slanted sides that end in a sharp edge

Lever: It's a stiff bar that rests on a support called a fulcrum

inclined plane: a ramp, a slanted surface that connects a lower level to a higher level

Screw: An Inclined Plane wrapped around a center post

wheel and axel: A round wheel attached to a post called an axel

Pulley: It changes the direction of motion of an object to which a force is applied

force: A push or a pull

Motion: movment

balanced force: two forces acting in the opposite direction, the object does not move

unbalanced force: Forces that cause a change in motion the object moves

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