Energy Transfer and Efficiency

Question 0

Name the 9 types of energy.

Answer 0

Kinetic, electromagnetic, sound, thermal, electrical, nuclear, chemical, gravitational potential, elastic potential.

Question 1

What is the Law of the Conservation of Energy?

Answer 1

Energy can not be created or destroyed, only transferred from one form to another.

Question 2

What happens when energy is transferred from one form to another?

Answer 2

We get useful energy - the energy we want
The rest is wasted energy
Wasted energy is usually heat and sound due to friction

Question 3

What does all energy eventually end up as?

Answer 3

Thermal energy - can not be collected or used for anything.

Question 4

What is the calculation for efficiency?

Answer 4

Useful energy output / total energy output

Question 5

What is the unit for efficiency?

Answer 5

There isn’t one. It is expressed as a decimal or percentage.

Question 6

SANKEY DIAGRAMS

Answer 6

FUCK THEM