#3. The distributed load w is supported by three suspender bars as shown. AB and EF are made of aluminum and CD is made of steel. If each bar has a cross sectional area of 450 mm^2, determine the maximum distributed load w (kN/m, 4 pts) so that an allowable stress of 180 MPa in steel and 94 MPa in aluminum is not exceeded. Use Est = 200 GPa and Eal = 70 GPa. Assume ACE is rigid. -1.5 m 1.5 m- F al st al 3 m E

#3. The distributed load w is supported by three suspender bars as shown. AB and EF are made of aluminum and CD is made of steel. If each bar has a cross sectional area of 450 mm^2, determine the maximum distributed load w (kN/m, 4 pts) so that an allowable stress of 180 MPa in steel and 94 MPa in aluminum is not exceeded. Use Est = 200 GPa and Eal = 70 GPa. Assume ACE is rigid. -1.5 m 1.5 m- F al st al 3 m E

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

See similar textbooks

Similar questions

Required information A 920-mm (4) strip of steel (E= 200 GPa) is bent into a full circle by two couples applied as shown. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. M' M mm Determine the maximum thickness t of the strip if the allowable stress of the steel is 420 MPa. The maximum thickness t of the strip is mm.
Problem 1A steel wire is 6 m long, hanging vertically supports a load of 2000N. Neglecting the weight of the wire, determine the required diameter if the stress is not to exceed 140 MPa and the total elongation is not to exceed 4mm. E = 200, 000 MPa.
A simple pin-connected truss is loaded and supported as shown. The truss is constructed from three aluminum members, each having a cross-sectional area of A = 1060 mm?. Assume a = 1.6 m, b = 9.8 m, andc = 3.6 m. If P = 60 kN and Q = 85 kN, determine the normal stress in each member. P В Q< b. Answers: OAB = i MPa (С) OBC = i MPа (Т) OAC i MPа (Т)
The bracket shown below is to carry a load F = 20 kN acting at an eccentricity of 1.2 from the centroid of four equal sized rivets. Determine the size (diameter) of the rivets if the shear stress in the rivets is not to exceed 50 MPa.
A pin-connected truss is loaded and supported as shown. Each aluminum member has a cross-sectional area of A = 3.7 in.². Assume a = 3.25 ft and b = 3.90 ft. If the normal stress in each member must not exceed 35 ksi, determine the maximum load Pmax that may be supported by the structure. A B b b Answer: Pmax= kips
4) Determine the largest mass M of the rigid block which can be supported by the three rods if the allowable stress is 70 MPa for Copper and 140 MPa. for steel.. Copper A=900 L=160m E=120Gla (M) Steel A=12 L = 140mm E=2Gf Copper
The five-bolt connection shown must support an applied load of P = 235 kN. If the average shear stress in the bolts must be limited to 195 MPa, determine the minimum bolt diameter that may be used in the connection. Answer:d = i mm.
Two axial members are used to 4.3 m support a load P applied at joint B. Member (1) has a cross-sectional area of A: = 3,080 mm? and an allowable normal stress of 180 MPa. Member (2) has a cross-sectional area of A2 = 4,650 mm? and an (1) 5.0 m allowable normal stress of 75 MPa. Determine the maximum load P that may be supported by the structure without exceeding either allowable normal stress. (2) 2.0 m
Two vertical steel wires each 0.05 in. diameter and 48in. long support a light rod over a span of 12 in. A concentrated load of 60 lbf is then applied vertically downwards at a point 4 in. from one of the wires. Determine the load, stress and extension on each wire and the angular displacement of the rod from the horizontal assuming it does not bend. Use E = 29,000 ksi.
Current Attempt in Progress A simple pin-connected truss is loaded and supported as shown. The truss is constructed from three aluminum members, each having a cross-sectional area of A = 1580 mm². Assume a = 2.4 m, b = 8.2 m, and c = 3.5 m. If P = 60 kN and Q = 75 kN, determine the normal stress in each member. Lx Answers: JAB = OBC || MI MI JAC = i a P b MPa (C) MPa (T) MPa (T)
The bars AB, AC, and AD are pinned together as shown in the Horizontal movement of the pin at A is prevented by the rigid horizontal strut AE. Calculate the axial force in the strut caused by the 10-kip load. For each steel bar, A = 0.3 in.2 and E = 29 x 106 psi. For the aluminum bar, A = 0.6 in.2 and E = 10 x 106 psi.
A simple pin-connected truss is loaded and supported as shown. The truss is constructed from three aluminum members, each having a cross-sectional area of A = 880 mm2. Assume a = 1.5 m, b = 9.6 m, and c = 3.8 m. If P = 45 kN and Q = 85 kN, determine the normal stress in each member. L. Answers: JAB= OBC= JAC i i P b С MPa (C) MPa (T) MPa (T)