All Equations Flashcards
1
Q
Constant motion
A
D = st
2
Q
Acceleration with velocity and time
A
A = v-u/t
3
Q
Weight and mass
A
W = mg
4
Q
Density - kg/m^3
A
ρ = m/v
5
Q
Force with acceleration
A
F = ma
6
Q
Terminal velocity
A
W = air resistance
7
Q
Hooke’s law
A
F = kx
K = spring constant/N/m
X = extension/m
8
Q
Moment of a force- Nm
A
τ = Fd
F = perpendicular force
9
Q
Principle of moments
A
F1 x d1 = f2 x d2
Total clockwise moments = total anti-clockwise moments
10
Q
Mechanical work done - change in energy/J
A
ΔE = fd
11
Q
Kinetic energy
A
1/2 x m x v^2
12
Q
GPE/J
A
E = mgh
13
Q
Power with work done
A
P = ΔE/t
14
Q
Pressure with area/Pa
A
P = F/A
15
Q
Pressure due to liquid
A
p = ρhg
16
Q
Boyles law- pressure and volume relationship
A
pV = constant
p1 x V1 = p2 x V2