Three Oaks third grade Simple Machines 1

10 terms by acdemers 

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Work

Something that is done when a force moves an object

Pulley

A wheel that has a rope wrapped around it. they are used to lift heavy objects.

Machine

A simple device that makes it easier to move something.

Screw

An inclined plane wrapped around a cylinder or cone. It holds objects together

Compound Machine

A combination of two or more simple machines.

Wedge

A piece of wood or metal that is wide at one end and pointed at the other to help cut or SPLIT things.

Inclined plane

A flat surface that is raised so one end is higher than the other.

Wheel and Axle

A rod attached to a wheel. It makes it easier to move or turn things.

Lever

A stiff bar that moves about a fixed point (fulcrum).

Force

any push or pull in a variety of directions

Flickr Creative Commons Images

Some images used in this set are licensed under the Creative Commons through Flickr.com. Click to see the original works with their full license.

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