Problem #2: The strut is by a pin at C and a A-36 steel guy wire AB (E = 200 GPa). If the wire has a diameter 5 mm, determine how much it stretches when the distributed load acts on the strut. A 60° 34 kN/m
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- A 12 60° B 2.7 m The strut is supported by a pin at C and an A-36 steel (Young's Modulus is 200 GPa) guy wire AB. If the wire has a diameter of 5 mm, determine how much it stretches when the distributed load acts on the strut.touch &O O166% 00:27 MENG250 - Practice Assign... Problem 2-15 Determine the design angle ø (0° < ø< 90°) between struts AB and AC so that the 400-lb horizontal force has a component of 500 lb directed from A towards C. What is the component of force acting along member AB? Take 0 = 40°. 400 lb A te B1. A tripod shawn supports of note that ball and rocket joints are used to mount the tripuod a load P=1000N at point A. Take at points B,D, and C. consider the t LI L 2 L2: 4 L3 : 3 A : 45° g :30° %3D on x-z plane L2 POINT C (2,-2,3) C0,0,0) ミー- Determine the ff Force of AB - N Force of AC - N Force of AD : N
- A small stepladder has vertical rails and horizontal steps formed from a C-section aluminum channel. Two rivets, one in front and one in back, secure the ends of each step. The rivets attach the steps to the left and right hand rails. A 225 lb person stands in the center of a step. If rivets are formed of 6061-T6 aluminum, what should be the diameter d of the rivets? Use a factor of safety of 8 and round your answer to the nearest 1/16 of an in.y Courses E This course EHide block What are the magnitude (F) and the location measured from end A (d) of the equivalent resultant force of the triangular distributed load in the figure below. 5 m 3 m Wo = 7 kN/m %3D A TT Select one: a. F= 10.5 KN ; d= 6 m b. F= 6 KN ; d= 6.5 m c. F= 21 KN; d= 6 m d. F = 6 KN; d = 1 mRigid member AC is supported by a pin at A and the vertical steel link BD as shown. The diameter of the link and its length are given in the table below for cach student. The alloawble stress of link BD is 200 MPa. a) Determine the maximum possible value of the load P b) If P-90 kN, determine the change in temperature needed for link BD to have no change in length. Given Me=12*10/"C, E,200 GPa B A 0.4m 0.2m
- Two plates each with thickness of 18 mm are bolted together with 6 – 20mm ø bolts forming a lap connection. Bolt spacing are as follows: X1 = 50 mm, X2 = 120 mm and X3 = 100 mm FvRivet = 130 MPa. Calculate the the pemissible tensile load P under the following conditions. a. Based on the effective net area. b. Based on block shear. c. Based on the safe value of P.2m 9. The rod AB rests on a horizantal surface at A and against slipping suface at B if Ms =0-25 at A&B. Find the minimum distance a for equilibriam, negledt the weight ( Ans a-l-6lm) a 60N • peu m7 joBEARING STRESS 128. The figure shows a roof truss and the detail of the riveted connection at joint B. Using allowable stresses of Ss=70MN/m² and Sb=140MN/m², how many 19mm diameter rivets are required to fasten member BC to the gusset plate? Member BE? 4m B C 96 KN 4 m E D 6 m 200 KN 4 m F G 96 KN 4m H Pac 14 mm gusset plate PRE 75 x 75 x 13 mm 75 x 75 x 6 mm
- Q1/ A bracket is supported by means of 4 rivets of the same size. Design the 7. Alalkau diameter of the rivet if Ou (tenşile ultimate stress) for the rivet material is 560MPA. Which of the rivet has max resistance? 20KN 20KN B0mm 30 mm 30 mm 30 mm1,200 N-m 4,500 N-m 2,800 N-m 500 N-m (3) 0.70 m 1.80 m 0.70 m Complete the torsion diagram of rod ABCD loaded as shown by dragging the components and filling in the values. T (kNm) A D B 1700 4500 500 -1700 -1200 2800 1600 -2300 -4500 4000 2300 3300 -2800 -3300 1200 -500 -4000 -1600The truss is subjected to the system of forces as shown in the following figure. The trust is supported by a pin at C and a pm at D. The force a member (AE) is equat to R C A -1.5 m- 6 KN Select one O 10.5 IN-Tersion Ob 75KN Tension Oc 45 KN Compensation Od N-Compression SKN -2 m 2m