Lecture notes
AS Physics Notes. Motion, forces, solids under stress etc.
- Module
- PH2 - Waves & Particles
- Institution
- WJEC
Summarised class notes. Formula, defintions, diagrams. Perfect for recapping or exam prep.
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Chapter 1 M0TON~The resultant force acting on an
object is one force which woul
have
exactly the same effect as all separate forces acting
together .
Acceleration
)
(
due to
weight (in
N gravity
(M52 )
4. w=mg ↳ 9.81ms
e -
-2
WEIG
QUANTITY The force
acti
Anything which we can measure ↳
gravitational
which provides information about
an
object or event
MASS
QUANTITY The
quantity
Anything we can measure
measure in
which
provides information
about an
object or event acceleration charge
veloc
=g=µ
in
scaler Vector ↳ a
has magnitude has magnitude t
& direction
Chapter 2 EQUATIONS OF
✓ = u + at v2 -_
i
S at Eat
-
s=⇐
=
+
5 × in booklet Given in formula
, Chapter 3 FORCES IN
Linearmouennent_
The of the
yqf.EE/NsjdaE?gveloc
←
Mk
(m
product body's =
Mass and
velocity
Newton'sZ^dlaw-
t.org, grojÉg:3
É=ÑÉm _ time
The momentum directly
of change ofrate is
the force
proportional to resultant
acting
on it .
W
IN =
1kg ✗ 1ms
-2
of
Theprincipleofconservahonofmovemenf
In collision or
explosion TOTAL momentum
any
M1U
,
is conserved , provided that no external force acts ,
+
Mz
perfect.ly/nelasticCoUisions-
In an inelastic collision some kinetic energy
is lost but total momentum is conserved
mass
Kindt (
vis
wort f velocity
↳ EK =
Envy (ms→
(
perfeckyElasticcouisic.nl in a
perfectly elastic collision total linear
momentum and total kinetic energy are
conserved
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