In this detailed summary I have included the following: Kinematics, mathematical relationships, vectors and vector components, forces, problems and solutions on various topics previously mentioned as well as horizontal and vertical motion, IEB physics definitions.
v
Str eine =
VAI
INC
-0
Can use variables such as R/V/l y
n V l
Both INC
'
0,5
INC Z . -
4 I X3
X3
G l S
const
-
t z -
.
directly prop * a :-O ,s=4 14 1=4
Y xx x Ky
-
; eq
-
y
'
I
.
.
K -
-
9
y x
x y
% -
X X
(
Z O 's
Ip lb
i. :
)÷z
mint 4 0,25
2 inverse * y Mato Y'
prop
-
6
0,17
.
-
[ Xz ik
Gradient x
txjxy
x
Y /
,
L 2×0,5=1
K 4×0,25
-
-
Y ( Y A hyperbola ! .
'
.
change to 7
X Ya
dp ip dsp isp
y
YPE Linear rel parabolic hyperbolic
hyperbolic re , rel . R .
Test ¥=K ¥ -
K x2=K
¥ ,
=p,
inv p to
y
is dp to x
y is inv prop tox y isdptothe square y is
Statement of x the square of
x
symbols :
y xx
y Lst Loi
y
hot
expression y
Equations y=kx y
=
¥ y
- Koe
y
-
I
22
, Forces :
a force is a physical interaction between 2 bodies that
may change the motion of the object .
(push or pull)
effects :
start moving speed down ; shape size ; to rotate
; up ; slow change ; change cause
obj
* Si unit =
Newtons measured with
spring balance or force meter .
Contact / mechanical vs non -
contact free body diagrams :
C
applied force gravitational
- .
. =
-
friction electrostatic i. e. A- & B =
, a
E •
. I B
& D &
-
normal force magnetic =
C =
opp
.
E
-
tension nuclear D
=
smaller
compression
-
* Balanced force keep
-
elastic force :
objects stationary .
* Unbalanced forces
buoyant force : movement
-
cause .
)
( flotation)
Resultant force Cnet Force )
Fnet speed
o acceleration object is at rest constant
=
O or
-
-
- - .
Fnet O
object Speeding slowing down
'
acceleration o is . .
up or .
Gravitational force
in NB ! S1 unit convert !
def the of matter object kg
'
: amount
=
mass = an . .
def :
weight =
the
gravitational force of the Earth on an object ,
on / near its surface .
Cfg =
m . 9. 8)
Normal force :
force exerted object that is in contact with @ 90 to surface
'
surface
'
def : the perpendicular by a on an it .
. .
.
*
magnitude depends other forces * W M
g w N i
can workout w using the weight formula
-
on -
- -
-
. .
Frictional force
def :
the force that opposes the motion of an
object d acts parallel to surface with which it is in contact
Types fluid resistance * Factors Normal Force El material
'
friction ; friction drag)
: air surface
dry and ( .
.
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