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Physics

Screw

A fastener that exerts a large amount of force to hold objects together

Wedge

A 2-D tilted surface that allows a resistance load to be moved easily

Plane

Levers

A rigid bar that turn about a fixed point

Pulley

A grooved wheel with a rope wrapped around it

Wheel and Axle

A disk that rotates around an axis

A 3-D object that exerts a force to spread materials

Work is when a force acts on an object to move it in a direction parallel to the force vector