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:
What makes blood clot? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
GK Question "Do Animals Have Taste?" general knowledge book English 2021 current affairs quiz and an...
General Knowledge
How does the fly see things? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
When were the first permanent buildings built? Complete General Knowledge Question and Answer for Cl...
General Knowledge
Why is our blood red in colour? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
Do fish go to sleep? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
Do you know “Heart of the matter”.
Do you know
GK Question "The First False Teeth Were Made By Whom?" general knowledge book English 2021 current a...
General Knowledge
How is butter made? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and ...
General Knowledge
Why do cats have rough tongues?Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, ...
General Knowledge
When did the first Trans-Atlantic airline services commence from the US and from the UK?
1st in the World
GK Question "What Do You Know About The System Of Breathing Of Fish?" general knowledge book English...
General Knowledge
Why do ducks go bottoms up when water? Complete General Knowledge Question and Answer for Class 6, 7...
General Knowledge
How do experts classify dinosaurs? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
GK Question "What Is Called "Oxygen"?" general knowledge book English 2021 current affairs quiz and ...
General Knowledge
What is carbon dating? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
Which were the smallest dinosaurs? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
What is the advantage offered by electromagnets? Complete General Knowledge Question and Answer for ...
General Knowledge
Who invented the paper clip? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
Who built the Tower of London? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, ...
General Knowledge
