'Input force acts' diaporamas de présentation

Chapter 14 Work, Power, and Machines

Chapter 14 Work, Power, and Machines. 14.1 Work and Power. What Is Work?. When does a force do work? In science, work is the product of force and distance. What Is Work?. For a force to do work on an object, the force must cause the object to move. no movement=no work done.

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Work, Power, Simple Machines

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Machines Do Work

How do ___________ make work _________? A __________ is a device that changes a ________. Machines make work ____________ to do. They change the _________ of a force needed, the ________________ of a force, or the ______________ over which a force acts. Machines Do Work. Machines Do Work.

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