Energy Flashcards
1
Q
9 main energy stores
A
Kinetic
Sound
Electrostatic
Thermal
Gravitational potential
Elastic potential
Chemical
Light
Nuclear
2
Q
What is Specific heat capacity
A
Amount of energy to heat 1 kg by 1 degree
3
Q
Equation for SHC
A
Energy = mass * SHC * change in temp
4
Q
Scalar vs vector
A
Scalar - only magnitude
Vector - direction and magnitude
5
Q
What is work done
A
Energy transfer
(force * distance)
6
Q
Equation for power
A
Power = Energy transfer / time
7
Q
What is hookes law
A
Extension is proportional to force applied
8
Q
Hookes law practical
A
Attach weight to a spring and measure how far it extends as more weight is added