THESE NOTES ARE HAND MADE AND CRAFTED ACCORDING TO THE IMPORTANCE OF NEET AND JEE ENTRACE TEST IVE PERSONALLY ADDED EVERYTHING ACCORDING TO THE NCERT AND THERE ARE NO TOPICS LEFT BEHIND FEW CHAPTERS IN NEET JEE THAT ARE DIFFICULT AND HUGE SO IVE ADDED ELCTROSTATICS AS A FORMULA SHEET BASED FORMAT W...
KAVV A KUDALKAR
4rtDATE
MECHANICAL PROPERTIES OF PUJDS
"Density of water = 10
10 Kg /m3 Volunme
19m/cc (L ce = 1o6 m)
PRESSURE DUE TO LIQ01D
Density of Hg -= 136gm /cc COLUMN
z 13-6 X I03 kg/m3
Specific Gravity cf water = 1
(P= sgh
"`pecific travitts of water = 13 6 PReSSURE pue To VERTICAL
1L=10 Io cm 1 dm3
cOLUMN
PReSSURE P= FL
A P =Po+ gh9
5catar
atonosphertc
pressuie
3"| Unit = /m 2 or Pascal X
1 bar z l05 Pa Po
Pressure on slope = tang- Bq
PASCAL LAWorigotat ftuid
whicat rest Pa= 39h +Po
Net Force = O
Right Force
f
Lett Foree
Po= Py If 8urrounding
P 0 |P= 39h
not depend
NOTE: Pressure doesheyesse! BAROMeTER
On shape 6f
they aie interconneted
It i3 USed to meaSure the
MANOnETER Atmospheric pieS6ure
Sea evel
|t i3 used to measure the
Py = Po
pressure of qag moleuls
GAUGe
Pa PAGSSuRE
MIXNG OF LIguDS
CASE 1
m,s+mazSmix
HARM0NIC
meAN
3,+S2
cASe 2
Liquid vessel moving in'?
Upward direction:
Smix S+ Sa ARITHM eTIC
Pox - Po + 2
MEAN
Downward direction:
Py Po t ` (ga) h
, UPTHRUST When an objectií m mers ed in the iguid then liquid exerts
a force on that 6bject hencethe net force isDATE
known as
UPTHRST(0)
V= Voume ofsolid io eiouud
Volumeof dlsplaçed iq uid ctuete Sutid
ARCHI)GDE'S PRINPLe NOTE PoINTS
UPHRUST = weq ht of liquid
dispiaced dueto Solid Apparent Wair Upthrust
U= Bvg mg - weight weight
fwapp
RELATIVe pENSTY OF80tD (when obiet is Compleely
immersed in liquid)
Relative 85 = Wair
Density -Vg (3s -S)
SsVg (1-S
LAW OF FLDATATHON| 8s
Wapp = Wair 1- Su
For Equil Fnet=0 & Condition for
FLoatati on. U Wair -W pp
Loss in weig bt in liquid
Vin Fraction of Volume
ofSold inside HYDRAYHE RRESSRE
the tiqutt
|CASe I
Limiting CondiHon
for floctation Py =Pae
LCASe F
Fy
When obje+isforce fully taken
ingide the liquid the acci wl be
Wair
m
.. Vg <L a Wair
. 0bject sink m Bs
insidethe iq uid
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