6.1 Energy

Question 1

When did the concept of energy emerge and why?

Answer 1

In the 19th century, the idea was used to explain the work output of steam engines, and then generalised to understand other heat engines. It also became a key tool for understanding chemical and biological systems.

Question 2

What are restricting limits for this century when using energy.

Answer 2

The amount of fossil foils being used and it’s effect on the environment/ atmosphere, (global warming, climate change etc)
Physicists and engineers are working hard to reduce the conservation of fossil foils.