Motion in One Dimenaion
Kinematiücs
It stuoly o motion o obje ets withous taking
toking
nto
ntd accoumt the factor which cause ha moion
a = 4.0 m/s
START
U 15m/s
x (east)
X
= 0
Motion
A boouy Souud to be in motion i it dhanges
dts position i t h time Motion s always relotive to
he obseAveN.
Rest does not change t s
Ib
I5 a
body Position wth
u me, with Yespect to its Surroumdings thun i s saidl
to be at rest
Rectiuneah MotHon
I is a moton in which a panhicle
OY
Paint mas body ismovimg along a
straigit ine.
Poim ma ohject or Punticle
Tt Hhe siu o abody snegtigible in Comp-
us omn
4s0 to its range oh motion thun the bocy is
range Said
oD ebe
Poind mam object OY aparticle
,Frame of Refehunce-
It is a system ot three mutualUy perpendilar
axes (x, Y and z axis) attachad to an obsehver having
to which the obseve
a clock with him, udtm respeat
Can describe poiHon, displacamend , accelration etc, o
a movima object
The peint o intersection
of three axes is Callaol ,-z
oigin which serwes as
a rehtune þoint or the
position o the obseveer -
I frame is not mentian,
then ground is taken as
a retehance brame
1 One dimensiona Motion
TwithOny one Coorolinade
changts time, than it is
Calld one imensional motion. - ---
RAmp Motion oh a can on a Shaight road, moton of
a fruly falling bocy. ete
2 Turo dimenional Motion-
Ib ony two cooreinates
Changes
Callud
with tme, then t is
dlimensional metion.
+two
Example- An insect Crawling over
the fleor, motion o a C a
on ivcwa twun etc.
,3Thre dimensiomal Motton-
Ccoodinates
T alu thre
change uith ame, then it is P(Y4)
Callud thye dimensional motion.
Example A flying bird, randlom motion
o g a s moleeule ete.
Distane omd Displaement
Distanca- Total ungtn o path Covenrod by the particle
is Callad the distance
Displaement
Tt is the mimimum distanue betwten twO
poaitions o the okjec amd t s direcion isram
initial to fnad position ofthe okject
Dietonu : oA + AD Distanu = 27tr
Displaumant oB Dsplacamni= o
initial
- fna
Nete
(i Distanca is a scalar while
displacement s vector
Gi) Dstance capendls on path while diuplacument does
rot dupends on padth,it
ony dupends on iniial
and fina position.
(in) Distanu is alwys positie tohile the
or
he zero
dsplacement may be +Ve-Ve oT zero.
v) Distane 2 JDisbacament |
Kinematiücs
It stuoly o motion o obje ets withous taking
toking
nto
ntd accoumt the factor which cause ha moion
a = 4.0 m/s
START
U 15m/s
x (east)
X
= 0
Motion
A boouy Souud to be in motion i it dhanges
dts position i t h time Motion s always relotive to
he obseAveN.
Rest does not change t s
Ib
I5 a
body Position wth
u me, with Yespect to its Surroumdings thun i s saidl
to be at rest
Rectiuneah MotHon
I is a moton in which a panhicle
OY
Paint mas body ismovimg along a
straigit ine.
Poim ma ohject or Punticle
Tt Hhe siu o abody snegtigible in Comp-
us omn
4s0 to its range oh motion thun the bocy is
range Said
oD ebe
Poind mam object OY aparticle
,Frame of Refehunce-
It is a system ot three mutualUy perpendilar
axes (x, Y and z axis) attachad to an obsehver having
to which the obseve
a clock with him, udtm respeat
Can describe poiHon, displacamend , accelration etc, o
a movima object
The peint o intersection
of three axes is Callaol ,-z
oigin which serwes as
a rehtune þoint or the
position o the obseveer -
I frame is not mentian,
then ground is taken as
a retehance brame
1 One dimensiona Motion
TwithOny one Coorolinade
changts time, than it is
Calld one imensional motion. - ---
RAmp Motion oh a can on a Shaight road, moton of
a fruly falling bocy. ete
2 Turo dimenional Motion-
Ib ony two cooreinates
Changes
Callud
with tme, then t is
dlimensional metion.
+two
Example- An insect Crawling over
the fleor, motion o a C a
on ivcwa twun etc.
,3Thre dimensiomal Motton-
Ccoodinates
T alu thre
change uith ame, then it is P(Y4)
Callud thye dimensional motion.
Example A flying bird, randlom motion
o g a s moleeule ete.
Distane omd Displaement
Distanca- Total ungtn o path Covenrod by the particle
is Callad the distance
Displaement
Tt is the mimimum distanue betwten twO
poaitions o the okjec amd t s direcion isram
initial to fnad position ofthe okject
Dietonu : oA + AD Distanu = 27tr
Displaumant oB Dsplacamni= o
initial
- fna
Nete
(i Distanca is a scalar while
displacement s vector
Gi) Dstance capendls on path while diuplacument does
rot dupends on padth,it
ony dupends on iniial
and fina position.
(in) Distanu is alwys positie tohile the
or
he zero
dsplacement may be +Ve-Ve oT zero.
v) Distane 2 JDisbacament |