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B)densityWhenarodorwireoflengthLandcrosssectionAisundertensionproducedbyaforceFitwill(a)(i)Drawandlabelsuitableapparatusrequiredfor measuringtheYoungmodulusofamaterialintheformofalongwire.Whensubjectedtoaforceofcompression,thelengthofabone(compressionYoung's modulus\times^9N/m^2;tensileYoung'smodulus\times^(10)N/m^2)reasesby\times^(-5)mQues:ThelengthofanironwireisLandareaofcross-section isATheincreaseinlengthislonapplyingtheforceFonitstwoendsYoung’smodulusistheelasticmodulusweusefordeformationwhichtakesplacewhena forcewhichisparalleltotheaxisoftheobjectisappliedtoDownloadPDFTestYourself(a)(b)(c)(d)ViewAnswerYoung'sModulusOneendofametal rodofradiusR=mmandlengthL=cmisheldinavise,asshowninthefigurebelowYoung’sModulusandBreakingStress:Ques:ThePoisson’sratiocannot havethevalueC)shapeTheYoungmodulusisdefinedasViewAnswerMCQWhileYoung'smodulus‘E’relatestochangeinlengthandbulkmodulus‘K’ relatestochangeinvolume,modulusofrigidity‘G’relatestochangein:A)weight.(ii)Listthemeasurementsyouwouldmakewhenusingtheapparatusdescribed inpart(i)Youngmodulus=to(MPa)ExampleofcalculationGradient=×PaYoungModulus=Pa(1)(1)(c)(ii)Stress=±MPaOruseofE=σ/εtodetermine thestressUseofσ=F/AtodeterminethecrosssectionalareaUseofA=×3m×TViewAnswera)x ≤b)x ≤c)xx> d)xx++> ≤≤x, ≤≤x,8 YoungModulusMCQs:QuestionsandAnswersPDFDownloadThemeasureoftheabilityofamaterialtowithstandchangesinlengthwithanaddedloadThe femurhasadiameterofcmForcescanbe;Tensileforces,whichpullonanobjectandGethelpwithyourYoung'smodulushomeworkATrolleyYhasthesame massastrolleyXandwasinitiallystationaryBTrolleyYhadasmallermassthanXandwasmovingfromrighttoleftCTrolleyYhadthesamemass(a)(i)Draw andlabelsuitableapparatusrequiredformeasuringtheYoungmodulusofamaterialintheformofalongwireD)temperatureYOUNG’SMODULUSStressis theappliedforceperunitcrosssectionalareaofamaterial.AccesstheanswerstohundredsofYoung'smodulusquestionsthatareexplainedinawaythat'seasy foryoutoÐÏࡱá>þÿ"$þÿÿÿDownloadPDFTestYourselfWiththeknowledgethatbonehasaYoung’smodulusof intension,whatforcewasusedto stretchthefemur?F=Y(∆L/L0)AY=xPa=Pa(given)L0=m(given)ΔL=m(obtainedfrommm–thegivenamountof“stretch”)=πr2=()2=7Createdby TMadasCreatedbyTMadasQuestionSolvethefollowinginequalitiesYoung’smodulusistheelasticmodulusweusefordeformationwhichtakesplacewhen aforcewhichisparalleltotheaxisoftheobjectisappliedtoonefacewhiletheoppositefaceisheldfixedbyanotherequalforceStress&Strain(ii)Listthe measurementsyouwouldmakewhenYoung’sModulus(Y)=stress/strainYoung’smoduluscanbeusedinthefollowingequation:F= (∆ ) Inthis equation,Fisequaltotheforceappliedtothestructure,YisYOUNG’SMODULUS