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SC Ch. 16

Work and Machines

QuestionAnswer
The use of a force to move an object. work
A tool with few or no moving parts that helps people do work. simple machine
A simple machine made up of a bar that pivots, or turns, on a fixed point. lever
The fixed point on a lever. fulcrum
A simple machine made up of an axle and a wheel that are connected and turn together. wheel-and-axle
A simple machine made up of a wheel with a rope around it. pulley
A simple machine that makes moving or lifting things easier. inclined plane
A simple machine that is made up of two inclined planes placed back to back. wedge
A simple machine you turn to lift an object or to hold two or more objects together. screw
Created by: donnawoolsey
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