equations Flashcards
1
Q
mass acceleration force
A
mass x acceleration
2
Q
change in momentum time taken and force
A
force = change divided by time taken
3
Q
mass velocity momentum
A
mass x velocity
4
Q
useful energy total energy efficiency
A
useful energy divided by total energy
5
Q
power work done and distance
A
power = work done divided by distance
6
Q
ke =
A
0.5mass x speed squared
7
Q
mass density volume
A
mass divided by volume
8
Q
pressure =
A
pressure = force divided by area
9
Q
time speed distance =
A
distance divided by time
10
Q
energy current
A
current x voltage x time
11
Q
gpe =
A
mass x g x height
12
Q
voltage =
A
current x resistance
13
Q
energy charge voltage
A
charge x voltage
14
Q
current time charge =
A
current x time
15
Q
energy transferred charge current time
A
charge x current x time
