'Greater input force' diaporamas de présentation

Work and Machines

Work and Machines. Chapter 3. Lesson 1- Work and Power. What is work? any time a force is exerted on an object that causes the object to move the object must move in the same direction in which the force is exerted. No movement of object = no work done no matter how much force is used.

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Chapter 14: Machines

Chapter 14: Machines. 14.1: Machines help people do work. Machine: Any device that helps people do work. Work is the use of force to move an object Does not decrease the amount of work that is done Only changes the way the work is done Example: Ramp pulley. How do machines help?.

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Machines

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How Machines Do Work Outline Notes

How Machines Do Work Outline Notes . Pages 114-121. 1. What is a Machine?. Machine: a device that allows you to do work in a way that is easier

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