4
Formulae and relationships
Module 2 —Foundations of physics
vectors = F cos 0
= F sin 0
Module 3 —Forces and motion
uniformly accelerated motion v = u + at
s = ut + }at 2
v2 = u2 + 2as
Ap
force
p = mv
turning effects moment= Fx
torque= Fd
density 3
pressure
p = hpg
work, energy and power W = Fx cos0
useful energy output x 100%
CaQéz efficiency =
total energy input
t
ecl
springs and materials F=kx
14
on
x
-L
, 5
Module 4 —Electrons, waves and photons
charge
current
work done W=VQ;
resistance and resistors
1 1 1
RI
power PR and
internal resistanee
potential divider out¯ R + R in
waves v=fA c
1-2
1
-z01k* X
z .x 360
hec«
Qdweem
refraction
cru.' ' '
XO t—
n sit-it)= constant
sin
hc
-'.vvquantum physics
max
h
p
1
l.co
Formulae and relationships
Module 2 —Foundations of physics
vectors = F cos 0
= F sin 0
Module 3 —Forces and motion
uniformly accelerated motion v = u + at
s = ut + }at 2
v2 = u2 + 2as
Ap
force
p = mv
turning effects moment= Fx
torque= Fd
density 3
pressure
p = hpg
work, energy and power W = Fx cos0
useful energy output x 100%
CaQéz efficiency =
total energy input
t
ecl
springs and materials F=kx
14
on
x
-L
, 5
Module 4 —Electrons, waves and photons
charge
current
work done W=VQ;
resistance and resistors
1 1 1
RI
power PR and
internal resistanee
potential divider out¯ R + R in
waves v=fA c
1-2
1
-z01k* X
z .x 360
hec«
Qdweem
refraction
cru.' ' '
XO t—
n sit-it)= constant
sin
hc
-'.vvquantum physics
max
h
p
1
l.co
