Unit 4-Energy Flashcards
1
Q
Work
A
Is done when a force moves an object through a displacement
2
Q
Energy
A
Ability to do work
3
Q
Joule
A
A newton-metre Nm
4
Q
Nuclear energy
A
Stored in the nuclei of atoms fusion or fission
5
Q
Elastic energy
A
Stored in an object forced out of its normal shape
6
Q
Chemical energy
A
From molecules, released in reactions
7
Q
Sound energy
A
From longitudinal vibrations
8
Q
Thermal energy
A
Random motion of molecules
9
Q
Radiant energy
A
From electromagnetic waves
10
Q
Electrical energy
A
From moving electrical charges
11
Q
Gravitational potential
A
Energy due to position above a reference point
12
Q
Kinetic energy
A
From movement
13
Q
Law of conservation of energy
A
Energy cannot be created or destroyed only transformed
14
Q
Voltage
A
The number of joules of energy per coulomb of charge
15
Q
Power
A
The rate of energy or J/s
