r'nEcHaNrcaL @rglqs cF gzu_p5
=> TVPES OF },IFITERIR tS
r(PngFic.:6 mqteilol thot Terrnins JrrrrnDenflu cleformed e\€n
qfler ttr def,orrDirf force iS ventved
xEtogbtc:B moelqt ff)qt regoios ig'5 originol shn|e $ sl5e oprcr tl^e
delormtog force is removed
r.?orHoly glOSHc,Ftrh.!g:O rclicol spring en+g sbrepred f6r bepnd
rt.S etqshc lrmiF tpilt not rPiurn to ttt origihol tengrb-
.)ELQSI CITV '
* tt o leodg regorDs rt's ori$rool sbope $slee olkl }he remouxl
of tbe detorrntDg force,ii is soid tobe qo etqshc bcdg, h the ProPerry
ts cqtted eloshqaV .
+&rpeqHg elqsH'c boclg
re o oodg rqcyDs ris origrnol s6e t, sbope corDpl€tttv t imroediotrly
qfter ttle tprogyql
of deforming Force, iL iS Soid to be
->The heorest opproocb to o frfecttg elocfrc bodg is quorhr
frure .
+Perfecuy ptostrc boclg, Eq,R.rttg tl Poroftfr, urox.
+ STRESS
'lhe interrnt
forrestofing force set up per uDrb orpe of crcss
Secttoo of trc deformed bodg is cotted shess
SfreSS ,Force/A,neo . St uoir -r N/-"
, +TYPES oF STPESS
ii)Iensile Bbrpsslelor,goH!@ Srce' ?estonog force sei uP per uoit
cross-sechoDol orgo of o oody orFD tre leDgth iocieqBel in tt.)e
dtrechon of eleregq#.mdeprmiog Frce .
ci,)Compresslonot Btress,it iS tbe 'rosfotrog ftrce set up Fer uDrb
erG,s secHoDrl oreq of q bodg obeD jt's leDgtt) decreoseJ undet q
defirmrDg force .
Ot)Tqogenthl or sbeonng sfress: tohPn o deforming rcrce ocLs
tongentiotlg to tbe surtoce of the uodg r it p'roduces cr chotSe io
the Sloope oS me bcdg.Thetorgerrh'ql force opptred per uort oreo
is eguot to toDgeDhol SheSS .
(trHvdTq"urie s[ress:(o|-en n body is imrnersed rn o ftuid tbe sbress
pvoduced ts cclted bgdroulrc sfress '
=! SrPglP
u)hen o deforrntog force ac$ On cr lcodg , tlrs bcdg undergoes
q chqnge rn shQpe & srbe.ll.re rotro op chonge in diroenstor>
cotted sbrqtn'
Produced ro the bodg tothe origirxl dimeoiion is
Sbrorn, Cho elo dimenstoo
OrigroAl drmension
x stYoin hqs nc unrtS & ofrrnpnsions.
=)tgprs oF srReN
untb oliginol lengtb,
ci)uongirudiDol strqiD:iDcreos€ in ter4rb Per
*n.., ta,n bodg is deloyrned bU Qxternql forces '
UDvolumetric s[rorn1 chonge in votume perurrrt origtnol
\D(ume,
ohen the bodg 1S deplrDed b9 exterool forces '
1ii)sreor stroin loDgle q,(rn rodion) fhrrougfi obrch q Fqce
originolly perperdrttrlor to tfe frxd foce gers turned on
opplying tongeftrot cleforroiE forc. ,
=> TVPES OF },IFITERIR tS
r(PngFic.:6 mqteilol thot Terrnins JrrrrnDenflu cleformed e\€n
qfler ttr def,orrDirf force iS ventved
xEtogbtc:B moelqt ff)qt regoios ig'5 originol shn|e $ sl5e oprcr tl^e
delormtog force is removed
r.?orHoly glOSHc,Ftrh.!g:O rclicol spring en+g sbrepred f6r bepnd
rt.S etqshc lrmiF tpilt not rPiurn to ttt origihol tengrb-
.)ELQSI CITV '
* tt o leodg regorDs rt's ori$rool sbope $slee olkl }he remouxl
of tbe detorrntDg force,ii is soid tobe qo etqshc bcdg, h the ProPerry
ts cqtted eloshqaV .
+&rpeqHg elqsH'c boclg
re o oodg rqcyDs ris origrnol s6e t, sbope corDpl€tttv t imroediotrly
qfter ttle tprogyql
of deforming Force, iL iS Soid to be
->The heorest opproocb to o frfecttg elocfrc bodg is quorhr
frure .
+Perfecuy ptostrc boclg, Eq,R.rttg tl Poroftfr, urox.
+ STRESS
'lhe interrnt
forrestofing force set up per uDrb orpe of crcss
Secttoo of trc deformed bodg is cotted shess
SfreSS ,Force/A,neo . St uoir -r N/-"
, +TYPES oF STPESS
ii)Iensile Bbrpsslelor,goH!@ Srce' ?estonog force sei uP per uoit
cross-sechoDol orgo of o oody orFD tre leDgth iocieqBel in tt.)e
dtrechon of eleregq#.mdeprmiog Frce .
ci,)Compresslonot Btress,it iS tbe 'rosfotrog ftrce set up Fer uDrb
erG,s secHoDrl oreq of q bodg obeD jt's leDgtt) decreoseJ undet q
defirmrDg force .
Ot)Tqogenthl or sbeonng sfress: tohPn o deforming rcrce ocLs
tongentiotlg to tbe surtoce of the uodg r it p'roduces cr chotSe io
the Sloope oS me bcdg.Thetorgerrh'ql force opptred per uort oreo
is eguot to toDgeDhol SheSS .
(trHvdTq"urie s[ress:(o|-en n body is imrnersed rn o ftuid tbe sbress
pvoduced ts cclted bgdroulrc sfress '
=! SrPglP
u)hen o deforrntog force ac$ On cr lcodg , tlrs bcdg undergoes
q chqnge rn shQpe & srbe.ll.re rotro op chonge in diroenstor>
cotted sbrqtn'
Produced ro the bodg tothe origirxl dimeoiion is
Sbrorn, Cho elo dimenstoo
OrigroAl drmension
x stYoin hqs nc unrtS & ofrrnpnsions.
=)tgprs oF srReN
untb oliginol lengtb,
ci)uongirudiDol strqiD:iDcreos€ in ter4rb Per
*n.., ta,n bodg is deloyrned bU Qxternql forces '
UDvolumetric s[rorn1 chonge in votume perurrrt origtnol
\D(ume,
ohen the bodg 1S deplrDed b9 exterool forces '
1ii)sreor stroin loDgle q,(rn rodion) fhrrougfi obrch q Fqce
originolly perperdrttrlor to tfe frxd foce gers turned on
opplying tongeftrot cleforroiE forc. ,
