P1 formulas Flashcards
1
Q
What does energy transferred equal
A
Work Done
2
Q
Work done = force X ?
A
distance
3
Q
Change in GPE =
A
Weight X Change in height
4
Q
Kinetic energy =
A
1/2 x mass x speed2
5
Q
EPE =
A
1/2 x Spring Constant x extension2
6
Q
Energy storged in spring =
A
work done and 1/2 x k x e2
7
Q
Effiecency =
A
useful output / total input
8
Q
Power =
A
energy transfer / time
9
Q
Power wasted =
A
total power in - useful power out
