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Simple Machines

QuestionAnswer
What is a device that changes the size or direction of a force? Simple Machine
What is a simple machine made up of bar that turns, or rotates, around a fixed point? Lever
What is the fixed point around which a lever turns? fulcrum
What is a wheel around which a rope or a chain is passed? wheel and axle
What is an inclined plane wrapped around a cylindrical object? screw
What is a simple machine with a slanted surface? inclined plane
What may be used to lift or pry apart heavy items, and also to tighten or hold things in place? wedge
What is a machine that is made up two or more simple machines? compound machine
What do we call a push or a pull? force
What is a force that makes it hard for two objects in contact to move past one another? friction
What is a force that pulls objects towards one another? gravity
What occurs when a force causes an object to move in the direction of the applied force? work
Which pulley has a wheel and axle that stays in one place? fixed pulley
Which pulley is free to move up and down, and is attached to a ceiling or other object by two lengths of the same rope? movable pulley
What is stored energy that is the ability to do work? potential energy
What is the energy of movement? kinetic energy
What is the object that is being moved? load
What is the force to do the work? effort
Created by: evagriffin10
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