If member AC in the frame shown is straight, what would its internal force be? Indicate also whether the force is tensile or compressive. 50 kN B A 1.5 m 1.4 m 1.4 m C D 25 kN 1 m 1 m
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- a rigid bar (ABCD) which was supported thru pin at B. Two bars was also connected, Bar CE and Bar DF with corresponding cross-sectional area and Modulus of Elasticity. If P is equivalent to 94 kN, the diameter at pin B is Blank 1 mm.A truss is supported by a pin support at H and a roller support at G. For the given loading, determine the magnitude of the force in members DF, DG, EG and FG. State whether each member is in tension or compression. Hint: Using the 'Method of Sections' will make solution of this problem easier. (Sopoints) Amato 15 kN AMY A 6 m B C 6 m 5 kN DY E 6 m Ft 6 m G- H orror | 8 m ODS OF சலி 6225KN Ex6:-:36.28k For PROFO m1. The figure shows a truss supported by a pin at A, a roller at G and loaded as shown. Using the method of sections, determine the force in members JK, JC and DC. State whether each member is in tension (T) or comptession (C). 4hN 4kN 2kN 4m 3EN B DE E 2m each
- Consider the truss shown in (Egure 1). Suppose that F-60 kN and F₂-25 kN Figure 40 KN Part C Fau 50 AN Submit -2m- D 15m 1of1 > 15m 15m μA Value -F₂ Part A Request Answer Determine the force in member ED of the truss, and state if the member is in tension or compression Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. HA FED Value Submit Part B Request A Determine the force in member EH of the truss, and state if the member is in tension or compression Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of compression and positive value in the case of tension. Submit Fon- Value Determine the force in member GH of the truss, and state if the member is in tension or compression. Express your answer to three significant figures and include the appropriate units. Enter negative value in the case of…Q4: Calculate the forces induced in members KL, CL, and CB by the 20-ton load on the cantilever truss. M L. K 26 16' G E B A 6 panels at 12 20 tonsFrom 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 PKN
- Part 2 A Pratt roof truss is loaded as shown. Using the method of joints and the method of sections, determine the force in all members. the force P.325KN 80 kN P kN 60 kN D H 8 m 60 kN A G---Y. MATHaling.com 6 m 6 m E 6 m 40 kN 100 kN 6 mQ1: A circular steel rod ABCD is loaded as shown below. Use the following data to Find the maximum stress and the deformation (AL) of the rod. Take E= 200 GPa. A P1 L1 E Dia. 1 L2 Dia. 2 C L3 P2 30 mm o P3 Dia. 1 Dia. 2 P1 P2 P3 L1 L2 L3 Name (mm) (mm) (kN) (kN) (kN) (mm) (mm) (mm) 45 40 100 35 30 1300 2100 1300Both sections are made of steel with E-200 GPa. The gap between the bottom of the metal bar and the floor is 4.5 mm. The top section is 300mm long and its area is 250 mm² with a force of 300 kN acting at its center and the bottom section is 300 mm and its area is 400 mm² with a force of 600 kN acting at its center. Calculate Rc and RA. ↓ C B
- 250 mm A D P = 25 kN B 30 60 C TOP VIEW 280 mm Member AD is fabricated by joining two bars (E=205GPA, G,A=82GPA) and is pinned to plate ABC using a 5 mm diameter pins as shown in the figure. The yield strength of the pins is T,=890MPA. Plate ABC is a right triangle and is fixed along its edge BC. A 25KN Force P is then applied at end D causing a lateral strain in member AD with magnitude equal to 7.5x104mm/mm. This also causes Point A to displace only along the horizontal resulting to a shear strain at point A equal to y,=+0.00165rad. Determine the following: 1. Poisson's ratio of material used in member AD, vD 2. The normal strain in member AD, CAD 3. The average stress experienced by pin A, TA 4. Factor of Safety of pin A with respect to yielding, FS,A 5. Displacement of point D, A,10.33 ull LTE K KUDA LIAR E LEMBAR KERJA 4 3 Determine the force in each member of the truss shown. State er each member is in tension or compression. 3 of 3 10 kips B 7.5 ft H G E -6 ft--6 ft-6 ft→-6 ft→| www.statikastruktur.wordpress.com Page 2 4 A floor truss is loaded as shown. Determine the force in members CF, EF, and EG. 250 lb 500 lb 500 lb 375 lb 250 lb 250 lb 125 lb 4 ft 4 ft 4 ft 4 ft 4 ft 4 ft D Bo G H E 2 ft Ao C 5 A valuted roof truss is loaded as shown. Determine the force in members BD, BE, and CE. +2 m 2 m→2 m 2 m-2 m 2 m→ |240 N 360 N F 360 N 240 N 240 N 120 N D 120 N 1.75 m В K L 0.4 m C E 3 m 6 For the frame and loading shown, determine the force acting on member ABC (a) at В, (Ь) at C. 8 in. 10 in. 80 lb 8 in. A 6 in. 6 in. B 10 in.-5 @ 3m-15m- C F H J K ML boo I A 4@4m=16m B D G E 60 kips A For the truss shown, what is the force in member FG? B what is the force in member BE? + --D