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From time to time, people claim to have invented a machine that will run forever without energy input and develop more energy than it uses (perpetual motion). What is wrong with…

From time to time, people claim to have invented a machine that will run forever without energy input and develop more energy than it uses (perpetual motion). What is wrong with…
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From time to time, people claim to have invented a machine that will run forever without energy input and develop more energy than it uses (perpetual motion). What is wrong with this claim?

User Georg Engel
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1 Answer

3 votes

Step-by-step explanation:

It ignores some basic laws of physics:

You cannot get more work out of a machine than goes in

You cannot ignore friction

User Rishikesh Raje
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8.0k points
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