For the truss shown, determine the forces in members (a) BD; and (b) BF. -4 m-- 4 m--4 m- B -4 m- A C 6 m D F G 20 kN 20 kN 20 kN
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- |%A• In. ? Asst. Prof. Muhammed Abbas المعلم منذ ۱۲ ساعات مضت. H.W.2: Find the 40 k force in each G member of the 5 k truss. 16 ft V17 F 10 k 10 k 16 ft 3 B - 8 ft- 8 ft- 4 ft 4 ft 4 ft 4 ft 4.6-11. Determine the force in each member of the Pratt truss, and state if the members are in tension or compression. 2 m 2 m H 2 m AG IB TC E T-2 m--2 m--2 m--2 m--2 m--2 m-| 10 kN 10 kN 20 kN(1)Consider the truss loaded and supported As shown Force (KN) T/C Member 3 m3m --4 m--4 m---4 m- (1) AB (2) AC (3) BD (4) BC (5) CD (6) DE (7) CE (8) EF (9) GE (10) 1.75 KN 2kN 1.5 IN 2IN 0.75 IN 6m -6 m .6m G (11)GF (12)H,
- T 2 m + 2 m 2 m A B -2 m2 C DE F m2 m2 m2 m----2 m- 10 kN 10 kN Q-2 Q-2: Determine the force in each member of the Pratt truss, and state if the members are in tension or compression. 20 kNFrom the Given Truss Shown: P= 31 KN M=128 KN Calculate the Force Carried by member Gl. If the member is compression put negative (-) sign. PKNJ h=8m B A PKN D PKN MkN MKN MKN PKN I H -6 panels @ 5 m 30 m PKNFor the truss shown, determine the forces in members (a) BD; and (b) BF. D -4 -4 m▬▬4 m4 m▬▬4 m- Α B C AXA F G 20 KN E 20 KN 20 KN H 6 m
- F6-9. Determine the force in members KJ, KD, and CD of the Pratt truss. State if the members are in tension or compression. L K 3 m G B. E -2 m--2 m--2 m-|-2 m-|-2 m-|-2 m-| 20 kN 30 kN 40 kNF3-6. Determine the force in each member of the truss and state whether it is in tension or compression. 2m B 2m -2 m -2 m- 600 N 600 N S00 N F3-6View Policies Current Attempt in Progress Determine the force in member BC of the loaded truss. The force is positive if in tension, negative if in compression. 4.8 kips 4.8 kips 4.0 kips B 2 C. 2 Answer: BC-1 Savu for Later D L E kips Attempts: 0 of 1 used Submit Answ
- Principle of superposition The beam is indeterminate to the first degree. Force in member BD is chosen as the redundant. This member is therefore sectioned to eliminate its capacity to sustain a force. 60 kN/m 3 m 1.8 m 60 45 actual structure (a) 160 kN/m B FaD redundant рrimary structure ARD FRp applied Fap DMECH 1 ASSIGNMENT - 2M 20 k G y 10k E Problem A truss is subjected to the following forces as shown. Determine: (a.) The magnitude of the resultant of the external forces, R (kips). *Kip (k)-a unit of force, equivalent to 1000 lbs. (Av. AH. Bv) 1 [10] 15 25 25 10 ft ft ft ft ft In short, solve for the reactions at the supports using the equilibrium equations EFv, ΣFH, ΣΜ (AH, Av, Bv) C 20 k 20 k F 10 k 15 ft 15 ft 10 ft 25 ft B' XThe rigid bar AB is pinned at A and supported by two aluminum rods CG and DH, each having a diameter of 25mm and elastic modulus of EAI = 70 GPa. Determine a) The force in each rod when the 20 kN load is applied. b) The axial deformation (elongation) of rod CG c) The axial deformation (elongation) of rod DH H. 1-0 0-5 A 0-6' 1.2M L 0-8 20KN