Question

Bonus Points Bonus, 1 point: B1) Find reaction at RA 30 kip 30 op Bonus, 1 point: B2Find reactions at RA & RB 40 inches 30 inches 50 inches 300 lb Bonus. B3 2 point: A pair of 10 kip forces are applied at 46 degree angles to the 3 ft simple beam as shown. Find the reactions. (cos465.69 sin 46 = .72) Bonus, B4 1 point: Find T1 and 30 deg 45 deg T2 (hint: Law of sine: a/sinA-b/sin-c/sin C 100 kip

Answer 1

Solo Step 1 &t so dit make F B D go kit Bokit + Bokit - hv=-& Fvg Summation of vertical forces ku = -( 30 - 30) 303 R = 0 Rw = fumpation of all horizontal forces Ritz - Š fummation of all horizontal forces ) KH-07 { No Horizontal forces here ) Menz-EC all moment or couple ) MRA = 30 150 kit inch Cow I → Step 2 B 2 goinches make F.B. D ad for 730014 point Inchers 40 temo - 30 0 -36.869 - & heaction for RB Consider FBD & point B - RB ß RAB RAC 30016 E Fu =0 e Fina0 RAC Sina+ 300 = 6 RAC = -5007 Roc: 500[b] (Negative şign shows direction opposite to given direction in F.B.D RACGGO + RAB 0 Eft=0 Ко+ зо Re - - RABE -4001b LAB: 400 (Negative sign shows direction opposite to given F.B.D CSScanned with CamScanneso l RB = 9001b

tom 50 BiH = hak = 6.946 killed So Ri= vaid + Rimus Jo:g 43% +(2:399)2 . = 7.348 Kit ] Similarly Ke = Vaste thus - (6.990)+7(2.952.72 soll BA 2015 Isot izs luse the use the Law of şine şin 135 in 150 sints I T : oo Finlas' = 73.205 kib Ti=73.20 Skip similarly Tz = po Sin 150 sints TTz = 51.76+ kip T Csecanned with CamScanner