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:
Which Egyptian pharaoh's tomb has survived? Complete General Knowledge Question and Answer for Class...
General Knowledge
What is taxidermy? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
GK Question "Why Do People Have Different Coloured Skins?" general knowledge book English 2021 curre...
General Knowledge
What are the fine arts? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
Which dinosaur had the largest feet? Complete General Knowledge Question and Answer for Class 6, 7, ...
General Knowledge
Did dinosaurs eat leaves? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 1...
General Knowledge
Why do some birds have colourful feathers? Complete General Knowledge Question and Answer for Class ...
General Knowledge
What is a bloodhound? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Why is the agave called the century plant? Complete General Knowledge Question and Answer for Class ...
General Knowledge
Do you know "Most privately owned museums".
General Knowledge
Are there mountains under the sea? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
What are maglev trains? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 ...
General Knowledge
Why do people get sea-sick? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
What were the laws introduced by Hammurabi? Complete General Knowledge Question and Answer for Class...
General Knowledge
GK Question "First Of All Who Thought Of The Alphabets?" general knowledge book English 2021 current...
General Knowledge
What is a boycott? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
GK Question "How A Submarine Manage To Stay Under Water?" general knowledge book English 2021 curren...
General Knowledge
GK Question "What Is The Food Of Ants?" general knowledge book English 2021 current affairs quiz and...
General Knowledge
What is the difference between a meteor and a meteorite?Complete General Knowledge Question and Answ...
General Knowledge
What do wasps feed on? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
