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Rigid bars AB and BC are pin connected at B. If the spring

Mechanics of Materials | 10th Edition | ISBN: 9780134319650 | Authors: Russell C. Hibbeler ISBN: 9780134319650 134

Solution for problem 13-4 Chapter 13

Mechanics of Materials | 10th Edition

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Mechanics of Materials | 10th Edition | ISBN: 9780134319650 | Authors: Russell C. Hibbeler

Mechanics of Materials | 10th Edition

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Problem 13-4

Rigid bars AB and BC are pin connected at B. If the spring at D has a stiffness k, determine the critical load Pcr that can be applied to the bars.

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KIN202Notes: B1isthiamine,weneed1miligramaday. B9folicacidandB12kopalimineinvolvethemaintenanceofmyelinwhichgo aroundthebrain. Omega3fattyacidsareimportantinthedevelopmentofmyelinsheaththatgo aroundourneurons. Iodineisveryhelpfultothebody. Phytochemicalsarecountlesscompoundsinplantsthatareverygoodforyou. Folateisfoundindarkgreenleafyvegetables,folicacidisnotthesamething.Folic acidcannotbedigestedbyhumans,youneedfolatefromtheplants. Diabetesistheleadingcauseofkidneyfailure,limbamputationandblindness. TerryWahls: 3cupsofGreenLeafyVegetableseveryday.GreenLeafyVegetableshaveVitamin BACKandMinerals.TryKale. 3cupsofSulphurRichVegetableseveryday.Aliums(Onions,Garlic,Leaks)and Brassicas(Broccoli,Cawliflower,BrusselSproutsandMushrooms) 3cupsofColors.Flavonoids,polyphenols,retinas,mitochondria.Berries,Oranges, Carrots. Omega3FattyAcids:WildFish,salmonandherring,grassfedmeat. OrganMeats:Vitamins,MineralsandCoenzymeQ–Liver,hearttongue,brain. Seaweed:Iodineandselenium.Haveseaweedonceaweek. DietaryEliminationtechnique:Usediettogetridofanidiopathicdisease(flatulence orweirdrash,irritablebowel,acne)Eliminategluten,wheat,dairyandseeif symptomsdissipate.ACNEANDDAIRY -Obesityinvolvesfataroundyourorgansaswell. -Havingalotofbodyfatisnotunhealthy.Pinchablefatissubcutaneousfat,butit’s notbadforyou.Dangerousobesityiscentralobesity,thetypelocatedinthe abdomen.It’slocatedbehindtheskeletalmuscle.BeerBelly.Alcoholgoesonlytothe liver.Fructosegoesonlytotheliver. -DevelopingCountries=malnutrition -DevelopedCountries=chronicdisease,abdominalobesityanddiabetes. -BMIBodyMassIndex -UnderweightisMBIunder18.5kg/m2 -Healthyis18.5to24.9 -Overweightis25.0to29.9 -Obeseis30kg -Calorie=heatthatincreases1gramofwaterby1degreeCelsius. -bodyweightmultiplyby11. -5.8caloriespergramoftissuegrowth,400gramsaday,while1lb=3500-500/d -Proteinhasathermiceffectof20%whilefathasathermiceffectof2%.Meaning proteinisburnedoffmoreindigestionthenfatis. -Childrenneedtobemoreactive. -Cuttingcalorieswillnotbeatobesityinchildren. -Beingmoreactivewillincreasesensitivitytohormoneslikeinsulin,whichlimitsfat gaining. -Qualityofachild’sdietisimportant. -Firston/Lastoff -Firstplaceyourbodystoresfatisthelastplaceitslost. -Thereisnosuchthingasaspotreduction.Youarenotgoingtospotreducefaton yourbody.Fatisreducedevenly. -Deepabdominalfatrespondsmoretolifestylechanges.Reducingsugarandalcohol iskey. -FatSetPoint:FatproducesLeptinhormonewhichgoestothebrainwhichcauses BMRandhunger. -WeightLosstobeeffectiveneedstobegradual,nomorethan500caloriesaday deficit. -Youburn100caloriesrunningamile. -Alcoholisalwaysstoredasfat.Evenmorelikelytobecomefatthenactualfat. -A.M.D.R.AcceptableMacronutrientDistributionRange,amacronutrientisa nutrientthatgivesuscaloriesexcludingalcohol.Carbs,fatsandproteins. -45to65%ofcarbsshouldbeinyourdiet,anditshouldbeproportionaltoactivity. -20to35%offatsinyourdiet.MYFAandPUFASaturatedfatshouldbelessthan 10%ofyourdiet. -10to35%ofproteininyourdiet.Higherproteiniseffectiveinweightloss.Fam. -Fibercomesfromvegetables. -Omega6toomega3shouldbe4to1. -15to20minutesinthedayinthesunforvitaminD. -BestmodeltouseistheHarvardHealthyEatingPlate. -Don’teatswordfish. -2%ofamericanswhoconsumeRDAwillstillnotgetenough. -B12requirementis5or6microgramsperday. -VitaminDisaround1000aday. -RDAistheminimumrequirementtopreventtoxicity.Sodiumlevelsarethe maximumthatweneed. -Proteins,CarbsandFatsgiveusenergy. MACRONUTRIENTS Protein: 10-35%Macro. -Femaleneed46gramsperdayandMalesneed56gramsperday.(right) -.86perkgbwperdayRDA. -Forweightloss,takinginabout15gramsadayfourtimesadayisveryhelpfulfor losingweight. -2.0gramsperkgbwisconsideredtheupperlimitofproteinintake.BUThigher proteininsomeinstancescanbehealthy. -Proteinsaremadeupofaminoacids. -yourbodydoesn’tmakeessentialaminoacids. CompleteProteinvsIncompleteProtein: Memorizeeverycompleteproteinvsincompleteprotein. -Completeproteinshavealloftheessentialaminoacids. Animal30%Fish,WhiteandRedMeat. -Incompletearemissingsomeoftheessentialaminoacids. 70%plantproteins. -AMDRisAcceptableMacroNutrientRange FAT: -AMDR -10G/DLinoleic(18-2Omega6) -1G/DisAlphaLinolenic(18-3Omega3) -Saturated<10% -Cholestrerol300MG/D -Fathasaverylowthermiceffect,about2%.Soitdoesn’tburnalotofcaloriesin consumption. -Palmeicacidiswhatwegetfromsugar,that’ssaturatedfat. -Sat.Fat.16CarbonisSaturatedFatand18CarbonisPalmerated ThesearecarriedinLipoProteins,theseareourLDL’s.Lipoproteinsneedto bindtoreceptors.Fatisdeliveredtocells.Iftheyaresaturated,itdoesn’t bindwelltoitsreceptorsandtendstostickaroundandleadtoheartdisease. -12CalsocalledLauricacidlowersourLDL’sandincreasesourHDL’ssoitsgood. Notallsatfatisbad. -Mostsatfatcomesfromanimals. -Excesscarbohydratesmakeexcessfat. -Transfatsstartoffunsaturated.Byaddinghydrogen,thefatsbecomesaturated. Saturatedfatslastlongerinyourbody.Theystaretherelonger. -Transfatsarenotmeantforhumanconsumption.Shit.Theycauseinflammation. Transfatisextremelybadforyou. -Sosuddenly,notransfat.Allthefoodlabelsweretransfatfree.Buttheywere actuallyjustgettingtheservingsizedown,sotherewaslessthan.5gramsoftrans fatperserving,youcanclaimitstransfatfree.Soonecandybarwasfourservings. -Cholesterolisonlyinanimalfat.Plantsdon’thavecholesterol.Butitwillmake cholesterolinyourbodies.Yourliverturnsfriedfoodintocholesterol. -Sugarbecomesfatinyourbody. -Animalsdon’tgethormones,justantibiotics. -Thefoodindustry’sgreatestproductsispatientsforthehealthindustries. -AHarvardreview(MICHAREVIEW)foundthatthereisnodifferencebetween carbohydratesinyourbodyandsaturatedfat. -DietarycarbohydrateisequaltoSaturatedFatintheeffectsonbloodlipids.And the12CarbonsaturatedfatLauricAcidisbetterthancarbohydratesonyourblood lipids.CHOmeanscarbohydrates. -ALAisomega3fromseedsandplants.Only16%ofthisgetsconvertedtothethe DHAandEPAgoodstuff. -DHAandEPAisomega3fromfish.WhichlowersBloodPressure,andinflammation andincreasesBrainfunction. -Omega3/Omega6isprobably1/40butisactuallyworsecausetheomega3’swe getsuck. -BluePigmentsfromblueberries,strawberries,purplecabbagearecalled anthocyanics.Almost100%ofthatALAgetsconverted. -

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Chapter 13, Problem 13-4 is Solved
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Textbook: Mechanics of Materials
Edition: 10
Author: Russell C. Hibbeler
ISBN: 9780134319650

This textbook survival guide was created for the textbook: Mechanics of Materials, edition: 10. Mechanics of Materials was written by and is associated to the ISBN: 9780134319650. The answer to “Rigid bars AB and BC are pin connected at B. If the spring at D has a stiffness k, determine the critical load Pcr that can be applied to the bars.” is broken down into a number of easy to follow steps, and 31 words. This full solution covers the following key subjects: bars, load, connected, critical, determine. This expansive textbook survival guide covers 14 chapters, and 1373 solutions. The full step-by-step solution to problem: 13-4 from chapter: 13 was answered by , our top Engineering and Tech solution expert on 11/10/17, 06:06PM. Since the solution to 13-4 from 13 chapter was answered, more than 248 students have viewed the full step-by-step answer.

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Rigid bars AB and BC are pin connected at B. If the spring