Energy Flashcards
1
Q
What is the definition for the conservation for energy?
A
Energy cannot be created or destroyed, merely transferred from one form to another.
2
Q
What does all energy end up as?
A
Thermal energy.
3
Q
What is the unit for energy?
A
Joule, J.
4
Q
How much energy is needed to lift an apple vertically up 1m?
A
1J.
5
Q
What are the different forms of energy?
A
Chemical energy
Electrical energy
Thermal energy
Sound energy
Light energy
Magnetic energy
Strain energy
Kinetic energy
Gravitational potential energy
6
Q
What is the energy transfer diagram for a wind turbine?
A
E in:
Kinetic energy
E out:
Electrical energy
Sound energy
Thermal energy