Formulae - Energy Flashcards
1
Q
‘v’ stands for …
A
velocity (m/s)
2
Q
‘h’ stands for …
A
height (m)
3
Q
‘g’ stands for …
A
gravity (m/s^2)
4
Q
Ep =
A
m x g x h
5
Q
Ek =
A
1/2 x m x v^2
6
Q
Ek stands for …
A
Kinetic Energy (J)
7
Q
Ep stands for …
A
Potential (J)
8
Q
Value for g
A
10
9
Q
F =
A
m x a
10
Q
Weight =
A
m x g
11
Q
Work =
A
F x d
12
Q
work is measured in
A
J
13
Q
Force is measured in
A
N
14
Q
Efficiency =
A
(useful energy)/(total energy) x 100%
15
Q
Elastic Energy =
A
1/2 x k x e^2