# Physics 2 (P2) Edexcel Crib Sheet

Note I did not make this resource, I feel others should be able to access it to help them revise

This is a P2 EDEXCEL Crib sheet, Foundation and higher tier notes.

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## Pages in this set

### Page 1

Speed/Velocity, Distance/Displacement & Acceleration

Q Symb Unit Unit
u ol symbol
a
n
t
i
t
y
o
r
V
a
r
i
a
b
l
e

S s Metres per second m/s
p
e
e
d

D d Metres m
i
s
t
a
n

### Page 2

c
e

T t Seconds s
i
m
e

V v Metres per second m/s
e
l
o
c
i
t
y

D s Metres m
i
s
p
l
a
c
e
m
e
n
t

A a Metres per second m/s2
c squared
c
e
l
e
r…

t
i
o
n

New
ton's
Laws
(for
infor
mati
on)

1 An
object
in
motion
tends
to stay
in
motion
or a
stationa
ry
object
stay
stationa
ry
UNLESS
ACTED
ON BY
AN
EXTERN
AL
FORCE

2 The
force on
an
object
is
proporti
onal to
the
acceler
ation it
causes.
A larger
mass of
object
needs
a larger
force to
move it
with
the
same
acceler
ation.

3 Every
action
has an
equal
and
opposi
te
reacti
on

### Page 5

Work Done is Energy Used (Joules)

### Page 6

The Effects of Radiation

Radiation in the Atmosphere

Rutherford Scattering

Inside The Atom

Alpha Decay

### Page 7

Beta Decay

Gamma Decay

Half Life

The time it takes the number of radioactive nuclei in a sample to decrease by 50%
Or... The time it takes the count rate from a radioisotope to decrease by 50%

Carbon Dating

All living things take in a little radioactive carbon-14 in photosynthesis,…

### Page 8

Static Electricity
When you rub an insulator with a cloth, two things can happen:
A. Electrons move from the cloth to the insulator: cloth becomes +ve, insulator becomes -ve
B. Electrons move from the insulator to the cloth: cloth becomes -ve, insulator becomes +ve

It is only the electrons that…