Question 2(b) :Three bars each made of different materials are connected together and placed betweet twowalls when the temperature isthe temperature becomes T,bar are given in the figure..Determine the force exerted on the rigid supports when. The material properties and cross-sectional area of epchSteelBrassСорperE = 200 GPaEpr = 100 GPaEu = 120 GPaas = 12(10-")/C a = 21(10-)/PC acu= 17(10-6)/°CAcu = 515 mm?Take :I =12°CI, =|A = 200 mm2 Ar = 450 mm?13°CA =295A mm200 mm"h00 mmSolution :(++)0 = 6, - 8,0 =1 (12)(10*).4+1 (21)(10-")(0.2)+ 1 (17)(10-)(0.1)...AF0.2F0.1F200(10 200(10°) 450(10- 100(10°) 515(10 120(10°)F = Question 2(a) :A steel surveyor's tape is to be used to measure the length of a line. The tape has a rectangularsection of 2 cm by 0.5 cm and a length of 100 cm wherT, and the tension or pullon the tape is AA N. Determine the true length of the line if the tape shows the readingito beBB cm when used with a pull of CC N at I, The ground on which it is placed is flat.Take:I, =55°CP85°CAA =20N2 cmBB =463.2CC =35N0.5 cm12(10-“)/°CE,- 200 GPaSolution :δ,-α ΔΤL =cmPLAEcmРage 1L =463.2cmAns

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Three bars each made of different materials are connected together and placed between two walls when the temperature i, the temperature becomes T, bar are given in the figure. .Determine the force exerted on the rigid supports when . The material properties and cross-sectional area of each Steel Copper E- 120 GPa a - 12(10-)/"C a = 21(10-")/C acu= 17(10)/"C Au - 515 mm? Brass E - 200 GPa E - 100 GPa Take : T, = 12 °C °C |Au = 200 mm² Au = 450 mm² T - 13 295 A mm 200 mm h00 mm Solution : (++)0 = 6, -6

Three bars each made of different materials are connected together and placed between two walls when the temperature i, the temperature becomes T, bar are given in the figure. .Determine the force exerted on the rigid supports when . The material properties and cross-sectional area of each Steel Copper E- 120 GPa a - 12(10-)/"C a = 21(10-")/C acu= 17(10)/"C Au - 515 mm? Brass E - 200 GPa E - 100 GPa Take : T, = 12 °C °C |Au = 200 mm² Au = 450 mm² T - 13 295 A mm 200 mm h00 mm Solution : (++)0 = 6, -6

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter6: Beams And Cables

Section: Chapter Questions

Problem 6.75P: The end of a water hose weighing 0.5 lb/ft is pulled with a 40-lb force that is inclined at 14 to...

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