Physics Flashcards
Energy types
7
Kinet kinetic Chemical energy Thermal energy Gravitational potential energy Magnetic energy Electrostatic energy Nuclear energy
Gravitational potential energy
Equation
Mass x strength x height
Elastic potential energy
Equation
1/2 x mass x (extension)2
Kinetic energy
Equation
1/2 x mass x (velocity)2
Things that effect how materials heat up
Energy input
Capacity of material
The mass of the material
Thermal energy
Equation
Mass x SHC x change in temperature
Work done equation
Force x distance
Power equation
Work done / time taken
Definition of “heat capacity”
Thermal energy that flows from HIGH temperature to LOW temperature
Conductors
5
Diamond Gold aluminium steel flowing air
Insulators
8
Glass Concrete Water Fibre glass Brick Vacuum Wood Trapped air
Factors effecting heat transfer
Temperature difference
Types of connecting material
Thickness of connecting material
Efficiency equation
Useful energy output/total energy input X 100
What do we use energy for?
Transport
Heating
Electricity
Main electrical idea
Physics-
0.00000000000000000016
Simplified physics equation-
1.6×10 to the power of -19 C
Chemistry –
1electron
