b. find the second moment of area of a cross section OC. find the centroid of a cross section O d. none of these options If the "I" value of beam cross section is 6,400,000 mm and the maximum distance from the neutral axis of the cross section to the top and bottom edges of the beam cross section is 129 mm, what is the section modulus of the beam? Note: Give your answer in mm³ Note: Do NOT include units in your answer. Answer: X A typical value for the stiffness of aluminium alloy is... Select one: a. 200 GPa b. 72 GPa

b. find the second moment of area of a cross section OC. find the centroid of a cross section O d. none of these options If the "I" value of beam cross section is 6,400,000 mm and the maximum distance from the neutral axis of the cross section to the top and bottom edges of the beam cross section is 129 mm, what is the section modulus of the beam? Note: Give your answer in mm³ Note: Do NOT include units in your answer. Answer: X A typical value for the stiffness of aluminium alloy is... Select one: a. 200 GPa b. 72 GPa

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.13P: Figure (a) shows the cross section of a column that uses a structural shape known as W867...

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Figure (a) shows the cross section of a column that uses a structural shape known as W867 (wide-flange beam, nominally 8 in. deep, weighing 67 lb/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following cross-sectional properties: A=19.7in.2,Ix=272in.4, and Iy=88.6in.4. Determine the dimensions of the rectangle in Fig. (b) that has the same Ix and Iy as a W867 section.
Figure (a) shows the cross-sectional dimensions for the structural steel section known as C1020 (channel with a nominal depth of 10 in., weighing 201b/ft). The American Institute of Steel Construction Structural Steel Handbook lists the following properties for the cross section: A=5.88in.2,Ix=78.9in.4, and Iy=2.81in.4. If two of these channels are welded together as shown in Fig. (b), find Ix and Iy for the resulting cross section.
Calculate: a) the vertical support reaction in support A. When sketching FBD, set the positive directions of both reactions in the positive direction of y axis. Enter your answer in kN to three decimal places.
PLEASE SHOW THE COMPLETE SOLUTION. CORRECT ANSWERS ARE SHOWN BELOW FOR YOUR REFERENCE. THANK YOU!
a) The second moment of area about the centroidal x-axis (IXXcentroid) for the solid homogeneous beam section shown below is 737,101.55 mm4. What is the second moment of area about the centroidal y-axis (IYYcentroid). Give your answer in mm4 to two significant figures. b) If the second moment of area (IXX) for the solid homogeneous beam section shown below is 917,387.73 mm4, determine the diameter d. Give your answer in millimetres (mm) to two decimal places.
QUESTION 4 There are 47 dowels - 10M, each measuring 910 mm, in a continuous concrete footing. What is the total rebar weight (kg)? (The mass of 1OM is 0.785 kg/m): QUESTION 5 The total length of a concrete beam (400mm X 600mm) is 10,427 mm. there are stirrups 10M@200mm on centre in this beam and the concrete cover is 25mm. How many stirrups does this concrete beam have?
For the beam I-section below, calculate the second moment of area about its centroidal x-axis (Ixxcentroid), where b1 = 10.50 mm, b2= 2.50 mm, b3 = 38.50 mm, d1 = 1.50 mm, d2 = 36.50 mm and d3 = 12.50 mm. %3D Give your answer in mm4 to two decimal places. b1 di dz + b2 b3 Answer:
Engineering Mechanics. Please help to solve this problem. Please answer with neat solution. Thank you, will surely give like to your answer.
A beam is made from a rectangle bar of width 140mm and depth of 80mm, at the centroid of the bar a hole is drilled of 40mm diameter as shown in the diagram. Use the "void" technique to find the second moment of area. State your answer to 3 sig. fig. in terms of ×106 mm². 80 mm 140 mm 40 mm
3.1 Determine the location of the centroid for the cross-section shown below and draw a scaled sketch of the cross-section, clearly showing the centroid and indicate its distance from the selected origin. (Start your calculations be setting an origin at the bottom, left-most point on the cross-section). 3.2 Calculate the second moments of areas about the centroidal axes for the beam cross- section. 100 mm у z X 10 mm 10 mm 10 mm Figure 3: Cross-section ww 00L ww OSL
The cross section of a concrete dam is shown in the figure. Take the weight-density (= pg) of water to be 10 kN/m³ and that of concrete to be 25 kN/m³. For the given design of the cross-section, find the ratio h/H that is safe enough for the dam to not tip over (about the downstream edge E). Here you will enter the numerical answer. In the handworked file you must show your worked solution. H E 60° H/10 4H/10 h
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