131k views
1 vote
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?

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
by
8.0k points