Using Energy Flashcards
1
Q
name 5 forms of energy
A
- Chemical Energy
- Kinetic Energy
- Gravitationa potentiall Energy
- Elastic Potential energy
- Electrical energy
2
Q
conservation of energy refers to what?
A
it tells us energy can not be destroyed or created.
3
Q
when energy is transferred into a form where it is wanted it is called what?
A
useful energy
4
Q
energy transformed into forms that are not desired are known as what?
A
wasted energy.
5
Q
what is weight measured in?
A
Newtons
6
Q
what is energy measured in?
A
Joules
7
Q
useful energy + energy wasted = ?
A
Input Energy
8
Q
how is the efficiency calculated?
A
useful energy diveded by total energy x 100