What is perpetual motion?
Scientists once believed that they could create a perpetual motion machine which could continue working even if energy is not supplied to it. But this is not possible. Even in the most efficient machine, energy is lost as heat. This ensures that all the energy that the machine has is used up.
Related posts:
Why is the agave called the century plant? Complete General Knowledge Question and Answer for Class ...
General Knowledge
Why do astronauts float in space? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
What were the first clocks like? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
GK Question "Why Do Salmon Go Up Stream To Spawn?" general knowledge book English 2021 current affai...
General Knowledge
What does Venus' surface look like? Complete General Knowledge Question and Answer for Class 6, 7, 8...
General Knowledge
Do you know "One minute mobile phone charger".
Do you know
What are lichens? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
GK Question "What Do You Understand By Smog?" general knowledge book English 2021 current affairs qu...
General Knowledge
What is wax? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 Stud...
General Knowledge
GK Question "Cartoons Were Invented By Whom?" general knowledge book English 2021 current affairs qu...
General Knowledge
What is Wall Street? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
What causes a reflex? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Who discovered silk? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
Why don't women have beards? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
What is the origin of fairy tales? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
GK Question "Why, There Are Three Different Kinds Of Hair?" general knowledge book English 2021 curr...
General Knowledge
What is the use of the walrus' tusks? Complete General Knowledge Question and Answer for Class 6, 7,...
General Knowledge
How did music originate? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11...
General Knowledge
What are molluscs? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What gives us our appetite? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
