Studied by 4 people
Formula for weight
mass x gravity
W = m x g
formula for work done
force x distance
f x s
formula for force applied to a spring
spring constant x extension
F = k x e
formula for moment
force x distance
M = F x d
equation for pressure
force x area
F/a
formula for distance
speed x time
formula for acceleration
change in velocity / time taken
a = v - u / t
resultant force equations
mass x acceleration
F = ma
formula for momentum
mass x velocity
p = mv
kinetic energy equation
0.5 x mass x velocity²
power equation ?
energy/time
P = E/t
second power equation
work done / time
P = W/t
charge = ??
current x time
Q = It
potential difference = ??
current x resistance
I x R
2nd power equation
PD x current
V x I
3rd Power equation
current² x resistance
I² x R
2nd potential difference equation
energy/charge
E/Q
density = ??
mass/volume
m/v
SI unit for mass
kilograms
SI unit for force
Newtons
SI unit for time
Seconds
Note 
Flashcard (63)