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Energy Articles

Tag Archive for: energy

mechanical conservation of energy

Why Bother Teaching Mechanical Energy Conservation?

September 18, 2020
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7 Comments
Note: It is assumed that the reader has read part I and part II of the series. Earlier partsIs Mechanical Energy Conservation Free of Ambiguity? …
https://www.physicsforums.com/insights/wp-content/uploads/2019/12/mechanical-conservation-of-energy.png 135 240 kuruman https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png kuruman2020-09-18 07:44:032026-02-17 07:25:41Why Bother Teaching Mechanical Energy Conservation?
energy conservation can we do better

Can We Do Better Than Mechanical Energy Conservation?

March 17, 2020
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6 Comments
Note: It is assumed that the reader has read part I of the series. Introduction The ambiguity and flaws discussed in part I can be resolved using the…
https://www.physicsforums.com/insights/wp-content/uploads/2019/11/energy_conservation_can_we_do_better.png 135 240 kuruman https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png kuruman2020-03-17 13:53:452024-09-30 09:18:25Can We Do Better Than Mechanical Energy Conservation?
energy conservation ambiguity

Is Mechanical Energy Conservation Free of Ambiguity?

March 2, 2020
Introduction "Close to any question that is in the textbook, there is another question that has never been answered that is interesting." [Stephen Wolfram,…
https://www.physicsforums.com/insights/wp-content/uploads/2020/02/energy-conservation-ambiguity.png 135 240 kuruman https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png kuruman2020-03-02 19:57:482024-08-17 17:40:38Is Mechanical Energy Conservation Free of Ambiguity?
lightswitch

What Happens When You Flip the Light Switch: From Zero Seconds to 20 Years

August 26, 2015
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47 Comments
Introduction Few people know what happens when a customer does something like flipping a light switch. The full explanation requires descriptions of topics…
https://www.physicsforums.com/insights/wp-content/uploads/2015/08/lightswitch.png 135 240 anorlunda https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png anorlunda2015-08-26 14:10:062026-02-28 16:18:45What Happens When You Flip the Light Switch: From Zero Seconds to 20 Years
What is Energy

A Definition and Controversy of Energy

May 27, 2015
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44 Comments
[CONTENT] What is energy? Energy is a fundamental concept that refers to the capacity of a system to do work. It is a scalar quantity, meaning it has magnitude…
https://www.physicsforums.com/insights/wp-content/uploads/2015/05/whatisenergy.png 135 240 Dale https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Dale2015-05-27 14:41:132026-02-16 16:18:32A Definition and Controversy of Energy

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