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Work: Definition and Mathematics
Image: iStockphoto.com/Matt_Brown

Work: Definition and Mathematics

Work, work, work. You may think you know what it is, but when it comes to physics there's a very specific definition: When a force acts on an object and displaces it, work is said to be done on the object.

In short, work is when a force causes something to move (displacement). Force and motion are the two keys. Find out more.

The Physics Classroom
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Watt’s a Joule?

Watt’s a Joule?

Looking for a clear and fun explanation of energy, work, and power, including electric power? You found it. More...

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Exploratorium
Work, Energy, and Power

Work, Energy, and Power

Work, energy, and power all go into a slapshot, which can turn a hockey puck into a missile speeding along at 100 miles per hour (about 160 kph). You'll learn about slapshots and science here. More...

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National Science Foundation/NBC
The Science Behind Frozen: Queen Elsa Is More Powerful than an A-Bomb

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How much ice would it take to cover Arendelle — and what amount of energy would the Snow Queen need to create her permanent winter? A university student calculated both. More...

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The Work and Power Song

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What do you sing in the shower? You may find yourself singing about work and power after hearing this great physics song. More...

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Physicists define work and power a bit differently than you might. This video makes it easy to understand what the physicists are talking about. More...

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TheNewBoston.com
Calculating the Amount of Work Done by Forces

Calculating the Amount of Work Done by Forces

To calculate the amount of work done by a force, you must know 3 quantities: the force, the displacement caused by the force, and the angle between the force and the displacement. More...

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The Physics Classroom
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Ready to test your knowledge of work, energy and power? This Regents quiz will definitely challenge your skills! More...

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APlusPhysics.com
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Energy and Power

Work, energy, power, and force are interrelated. Find out how in this interactive, multimedia presentation. Just click the green arrow to start. More...

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University of New South Wales
Momentum, Work, and Energy

Momentum, Work, and Energy

What is the relationship between momentum, work, and energy? Who uncovered these relationships? Find out. More...

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Take a closer look at the relationship among, work, energy, and force with this study guide. More...

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Cliff's Notes

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