Formulae list
A level Physics
:
, CIRCULAR MOTION :
(and units)
quantities their SI
O =
angular displacement (rad)
S =
arc length (m)
~ =
radius (m)
v =
speed (ms-)
w =
angular speed (rads-
T = period (s)
f =
frequency (H2)
m = mass
(kg)
an =
centripetal acceleration (ms-2)
Fc =
centripetal force (1)
S
=
0 =
w V = VW
v
= Gat
w w =
a = v2 a = war
C
-
~
F
mus F mus
=
=
, GRAVITATIONAL FIELDS :
(and units)
quantities their SI
force (4)
Fa =
gravitational
6 x10-1
gravitational constant = -
67
G =
M = mass of first object (planet/star) (kg)
m = mass of the 2nd object (test mass/satellite/rock) (kg)
v = distance blo I masses or radius of orbit (m)
gravitational field strength (Nkg")
g
=
Ep =
gravitational potential energy (5)
8) =
gravitational potential (JKg")
Fc =
centripetal force (1)
v =
Speed (mst)
w =
angular speed (rads)
T = orbital period (s)
Fx
G g
F g
=
= =
Ep
Em p E p -
-
=
I =
Gradient of P-r graph =
-g
A level Physics
:
, CIRCULAR MOTION :
(and units)
quantities their SI
O =
angular displacement (rad)
S =
arc length (m)
~ =
radius (m)
v =
speed (ms-)
w =
angular speed (rads-
T = period (s)
f =
frequency (H2)
m = mass
(kg)
an =
centripetal acceleration (ms-2)
Fc =
centripetal force (1)
S
=
0 =
w V = VW
v
= Gat
w w =
a = v2 a = war
C
-
~
F
mus F mus
=
=
, GRAVITATIONAL FIELDS :
(and units)
quantities their SI
force (4)
Fa =
gravitational
6 x10-1
gravitational constant = -
67
G =
M = mass of first object (planet/star) (kg)
m = mass of the 2nd object (test mass/satellite/rock) (kg)
v = distance blo I masses or radius of orbit (m)
gravitational field strength (Nkg")
g
=
Ep =
gravitational potential energy (5)
8) =
gravitational potential (JKg")
Fc =
centripetal force (1)
v =
Speed (mst)
w =
angular speed (rads)
T = orbital period (s)
Fx
G g
F g
=
= =
Ep
Em p E p -
-
=
I =
Gradient of P-r graph =
-g
