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Part A- Free-body diagram of beam ABC Before the problem can be analyzed, a free-body diagram must be drawn to understand the forces and reactions that act on the l-beam Draw the free-body diagram of beam ABC A free-body diagram includes the forces acting on the object, in this case the beam. Start your vectors at the black dots. You will not be graded on vector length. Ignore all reaction forces in the x direction, and assume all vertical reaction forces point upward. No elements selected L. B Select the elements from the list and add them to the canvas setting the appropriate attributes. Part B- Moment of inertia of beam ABC Determine the moment of inertia I of l-beam ABC. Recall that in an l-beam, the flanges are the horizontal top and bottom sections and the web is the vertical section between the two flanges Express your answer to three significant figures and include the appropriate units. Value Units Submit Reguest Answer Part C-Bending moment at section a-a in beam ABC Determine the absolute value of the bending moment in the beam at section 9-a which is 150 mm from the wall Express your answer to three significant figures and include the appropriate units. |M = Value Units Submit Request Answer Part D- Absolute maximum bending stress in section a-a on beam ABC Determine the absolute maximum bending stress in the cross section at cut a-a using the flexure formula Express your answer in MPa to three significant figures. vec MPa

Part A- Free-body diagram of beam ABC Before the problem can be analyzed, a free-body diagram must be drawn to understand the forces and reactions that act on the l-beam Draw the free-body diagram of beam ABC A free-body diagram includes the forces acting on the object, in this case the beam. Start your vectors at the black dots. You will not be graded on vector length. Ignore all reaction forces in the x direction, and assume all vertical reaction forces point upward. No elements selected L. B Select the elements from the list and add them to the canvas setting the appropriate attributes. Part B- Moment of inertia of beam ABC Determine the moment of inertia I of l-beam ABC. Recall that in an l-beam, the flanges are the horizontal top and bottom sections and the web is the vertical section between the two flanges Express your answer to three significant figures and include the appropriate units. Value Units Submit Reguest Answer Part C-Bending moment at section a-a in beam ABC Determine the absolute value of the bending moment in the beam at section 9-a which is 150 mm from the wall Express your answer to three significant figures and include the appropriate units. |M = Value Units Submit Request Answer Part D- Absolute maximum bending stress in section a-a on beam ABC Determine the absolute maximum bending stress in the cross section at cut a-a using the flexure formula Express your answer in MPa to three significant figures. vec MPa

International Edition---engineering Mechanics: Statics, 4th Edition
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter6: Beams And Cables
Section: Chapter Questions
Problem 6.42P: For the beam AB shown in Cases 1 and 2, derive and plot expressions for the shear force and bending...
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Part A - Free-body diagram of beam ABC Before the problem can be analyzed, a free-body diagram must be drawn to understand the forces and reactions that act on the l-beam. Draw the free-body diagram of beam ABC. A free-body diagram includes the forces acting on the object, in this case the beam. Start your vectors at the black dots. You will not be graded on vector length. Ignore all reaction forces in the x direction, and assume all vertical reaction forces point upward. No elements selected L. y Select the elements from the list and add them to the canvas setting the appropriate attributes. Part B- Moment of inertia of beam ABC Determine the moment of inertia I of l-beam ABC. Recall that in an l-beam, the flanges are the horizontal top and bottom sections and the web is the vertical section between the two flanges Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part C- Bending moment at section a-a in beam ABC Determine the absolute value of the bending moment in the beam at section a-a which is 150 mm from the wall. Express your answer to three significant figures and include the appropriate units. |M| = Value Units Submit Request Answer Part D- Absolute maximum bending stress in section a-a on beam ABC Determine the absolute maximum bending stress in the cross section at cut a-a using the flexure formula Express your answer in MPa to three significant figures. vec lOmax = MPa Pearson
Transcribed Image Text:Part A - Free-body diagram of beam ABC Before the problem can be analyzed, a free-body diagram must be drawn to understand the forces and reactions that act on the l-beam. Draw the free-body diagram of beam ABC. A free-body diagram includes the forces acting on the object, in this case the beam. Start your vectors at the black dots. You will not be graded on vector length. Ignore all reaction forces in the x direction, and assume all vertical reaction forces point upward. No elements selected L. y Select the elements from the list and add them to the canvas setting the appropriate attributes. Part B- Moment of inertia of beam ABC Determine the moment of inertia I of l-beam ABC. Recall that in an l-beam, the flanges are the horizontal top and bottom sections and the web is the vertical section between the two flanges Express your answer to three significant figures and include the appropriate units. Value Units Submit Request Answer Part C- Bending moment at section a-a in beam ABC Determine the absolute value of the bending moment in the beam at section a-a which is 150 mm from the wall. Express your answer to three significant figures and include the appropriate units. |M| = Value Units Submit Request Answer Part D- Absolute maximum bending stress in section a-a on beam ABC Determine the absolute maximum bending stress in the cross section at cut a-a using the flexure formula Express your answer in MPa to three significant figures. vec lOmax = MPa Pearson
Learning Goal: To determine an l-beam's maximum bending moment, moment of inertia using the parallel-axis theorem, and the maximum stress at a given location using the flexure formula As shown, I-beam ABC supports a sign having a mass of S= 10 kg The l-beam is 740 mm long and is further supported by a rod that is attached 420 mm from the wall. Assume that all forces acting on the l-beam act along 1-beam's weight is negligible. Let the dimensions of the l-beam be w = 90 mm g = 20 mm, h =60 mm, j= 25 mm c = 150 mm D. Part A -Free-body diagram of beam ABC Before the problem can be analyzed, a free-body diagram must be drawn to understand the forces and reactions that act on the l-beam. Draw the free-body diagram of beam ABC. A free-body diagram includes the forces acting on the object, in this case the beam. Start your vectors at the black dots. You will not be graded on vector length. Ignore all reaction forces in the x direction, ar reaction forces point upward.
Transcribed Image Text:Learning Goal: To determine an l-beam's maximum bending moment, moment of inertia using the parallel-axis theorem, and the maximum stress at a given location using the flexure formula As shown, I-beam ABC supports a sign having a mass of S= 10 kg The l-beam is 740 mm long and is further supported by a rod that is attached 420 mm from the wall. Assume that all forces acting on the l-beam act along 1-beam's weight is negligible. Let the dimensions of the l-beam be w = 90 mm g = 20 mm, h =60 mm, j= 25 mm c = 150 mm D. Part A -Free-body diagram of beam ABC Before the problem can be analyzed, a free-body diagram must be drawn to understand the forces and reactions that act on the l-beam. Draw the free-body diagram of beam ABC. A free-body diagram includes the forces acting on the object, in this case the beam. Start your vectors at the black dots. You will not be graded on vector length. Ignore all reaction forces in the x direction, ar reaction forces point upward.
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