All Equations Flashcards
1
Q
Average Speed =
A
Distance moved / time taken
2
Q
Acceleration =
A
Change in velocity / time taken
3
Q
(Final speed)**2 =
A
(initial speed)**2 + (2 x acceleration x distance moved)
4
Q
Force =
A
Mass x Acceleration
5
Q
Weight =
A
Mass x gravitational field strength
6
Q
Momentum =
A
Mass x velocity
7
Q
Force (using momentum)
A
Change in momentum / time taken
8
Q
Moment =
A
Force x perpendicular distance from pivot
9
Q
Wave speed =
A
Frequency x wavelength
10
Q
Frequency =
A
1 / Time period
11
Q
Refractive index =
A
sin i / sin r
12
Q
Critical angle =
A
1 / refractive index
13
Q
Efficiency =
A
(useful energy output / total energy output) x 100%
14
Q
Work done =
A
force x distance moved
15
Q
GPE =
A
mass x gravitational field strength x height
