REVIEW Unit 4 – Mechanical Systems 1.0 Machines are tools that help us do work A machine is a device that helps us do work Energy for machines to operate is provided by people, animals, electricity, fossil fuels - Simple machine - Document - PDFSEARCH.IO

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Date: 2014-02-28 13:55:41 Machines Simple machines Kinematics Mechanisms Mechanical advantage Pulley Efficiency Mechanization Wheel and axle Mechanical engineering Physics Technology		REVIEW Unit 4 – Mechanical Systems 1.0 Machines are tools that help us do work A machine is a device that helps us do work Energy for machines to operate is provided by people, animals, electricity, fossil fuels Add to Reading List Source URL: www.edquest.ca Download Document from Source Website File Size: 91,53 KB Share Document on Facebook

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