distance vs .
displacement Mct instantaneous vs .
average
°
distance distance
: travelled velocity
from A to B average Given displacement
:
definitions
,
scalar how fast body moves during
quantity a
displacement shortest a time interval tf
path velocity vs speed
°
: .
.
instantaneous : how fast
moved in a particular velocity displacement / time
:
direction and in which direction a body
!
vector
quantity
.
moment of the
ntifyeotor 7.omnes art gang
dgigtafanp.ae/gtiamne+i+y
9" speed :
rate of change of
unit : meter unit : meter 1 second
displacement
acceleration the rate of change of ( moving faster blower direction )
:
velocity or
change in
acceleration = velocity unit : meters / second
time
relative motion
motion is measured relative to the observer .
It is easiest to describe motion if the observer is
stationary
relative
velocity is measured rectorial ly (the rectorial addition of velocities )
if the observer's
moving at the same
velocity (direction and speed ) then the
relative
velocity is 0
if the observer speed but opposite direction then the
is
moving at the same
of the
relative
velocity is twice the
velocity moving object a
V y
One dimensional motion :
motion is simplified into perpendicular components to simplify motion ×
>
(V )
S displacement swat
u
. -
equations t
.
a
St EV
"
U: initial
velocity s ut t
'
z
at
' cutest
V
z
V final CV
:
velocity u)
-
' a
v u't 2 as t
A: acceleration v u ta t
f
the gradient of a displacement time
graph is
velocity
-
:
time
the
gradient of velocity acceleration
a time
graph is
-
the area under the
graph is displacement
the area under the acceleration -
time
graph is
velocity
displacement Mct instantaneous vs .
average
°
distance distance
: travelled velocity
from A to B average Given displacement
:
definitions
,
scalar how fast body moves during
quantity a
displacement shortest a time interval tf
path velocity vs speed
°
: .
.
instantaneous : how fast
moved in a particular velocity displacement / time
:
direction and in which direction a body
!
vector
quantity
.
moment of the
ntifyeotor 7.omnes art gang
dgigtafanp.ae/gtiamne+i+y
9" speed :
rate of change of
unit : meter unit : meter 1 second
displacement
acceleration the rate of change of ( moving faster blower direction )
:
velocity or
change in
acceleration = velocity unit : meters / second
time
relative motion
motion is measured relative to the observer .
It is easiest to describe motion if the observer is
stationary
relative
velocity is measured rectorial ly (the rectorial addition of velocities )
if the observer's
moving at the same
velocity (direction and speed ) then the
relative
velocity is 0
if the observer speed but opposite direction then the
is
moving at the same
of the
relative
velocity is twice the
velocity moving object a
V y
One dimensional motion :
motion is simplified into perpendicular components to simplify motion ×
>
(V )
S displacement swat
u
. -
equations t
.
a
St EV
"
U: initial
velocity s ut t
'
z
at
' cutest
V
z
V final CV
:
velocity u)
-
' a
v u't 2 as t
A: acceleration v u ta t
f
the gradient of a displacement time
graph is
velocity
-
:
time
the
gradient of velocity acceleration
a time
graph is
-
the area under the
graph is displacement
the area under the acceleration -
time
graph is
velocity
