Energy stores Flashcards
1
Q
Examples of energy stores…
A
Thermal, gravitational potential, elastic, magnetic, nuclear, kinetic, chemical, electrostatic
2
Q
Ways energy can be transferred…
A
Mechanically, electrically, heating, radiation, light, sound
3
Q
What is the unit for energy?
A
Joules (J)
4
Q
How to work out kinetic energy formula?
A
Ek = 1/2 MV squared
5
Q
How to work out the weight of an object?
A
mass x gravitational field strength
6
Q
How to work out gravitational potential energy?
A
Ep = mgh
7
Q
What is the earth’s mass?
A
9.8 N
