Equations For Paper 1: energy Flashcards
1
Q
Energy transferred =
A
Work done
2
Q
Work done =
A
Force applied x distance moved along the line of action of force
3
Q
Change in GPE energy stores=
A
Weight x change in height
4
Q
Change of GPE energy stores =
A
Mass x GPE x change in height
5
Q
Kinetic energy
A
1/2 x mass x speed squared
6
Q
Efficiency =
A
Useful energy / total energy x100
7
Q
Power =
A
Energy transferred to appliance or work done / time taken to transfer energy
8
Q
Power wasted =
A
Total power in - useful power out
9
Q
Energy transferred =
A
Mass x SHC x temperature change
