Structural Analysis
Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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Question

I am working on an internal forces problem where I am trying to find the shear force and function of the bending moment around a point 14ft<x<=21ft I ended up getting a shear of -10 kips and a bending moment of 10(x-14)  these are not the right answers how do I do this?

forces into components parallel and perpendicular to the axis of the beam. Specify separate coordinates for each segment of of the beam between points where point forces, couple moments, and/or changes in distributed loads occur. Section the beam at each ; chosen in the previous step and use the method of sections to find V(x) and M(x) for that segment. To avoid confusion, always draw V and M in their positive sense according to the sign convention as shown in ( Figure 3). • Plot the functions V(x) and M(x), each on its own coordinate system. • Generally, the free-body diagram, shear vene diagram, and bending-moment diagram are drawn together, arranged vertically, and aligned and drawn to scale so that the ends of the beam and the points of discontinuity are aligned. In the simply-supported beam shown in (Figure 4), d₁ = 14 ft, d₂ = 7 ft, and F = 15 kips. Figure d₂ < 4 of 4 B Part C - Determine V(x) and M(x) for 14 ft < x≤ 21 ft What are the shear and bending-moment functions for 14 ft < x < 21 ft? Express your answers, separated by a comma, as functions of x. ▾ View Available Hint(s) ▶ Hint 1. How to determine the shear and moment equations Hint 2. Draw the free-body diagram of the segment to the right of the cut V(x) =, M(x) = IVE ΑΣΦ ↓↑ Submit vec - 10, 10x + 70 You have already submitted this answer. Enter a new answer. No credit lost. Try again. Previous Answers Request Answer ? kips, kips-ft Review
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Transcribed Image Text:forces into components parallel and perpendicular to the axis of the beam. Specify separate coordinates for each segment of of the beam between points where point forces, couple moments, and/or changes in distributed loads occur. Section the beam at each ; chosen in the previous step and use the method of sections to find V(x) and M(x) for that segment. To avoid confusion, always draw V and M in their positive sense according to the sign convention as shown in ( Figure 3). • Plot the functions V(x) and M(x), each on its own coordinate system. • Generally, the free-body diagram, shear vene diagram, and bending-moment diagram are drawn together, arranged vertically, and aligned and drawn to scale so that the ends of the beam and the points of discontinuity are aligned. In the simply-supported beam shown in (Figure 4), d₁ = 14 ft, d₂ = 7 ft, and F = 15 kips. Figure d₂ < 4 of 4 B Part C - Determine V(x) and M(x) for 14 ft < x≤ 21 ft What are the shear and bending-moment functions for 14 ft < x < 21 ft? Express your answers, separated by a comma, as functions of x. ▾ View Available Hint(s) ▶ Hint 1. How to determine the shear and moment equations Hint 2. Draw the free-body diagram of the segment to the right of the cut V(x) =, M(x) = IVE ΑΣΦ ↓↑ Submit vec - 10, 10x + 70 You have already submitted this answer. Enter a new answer. No credit lost. Try again. Previous Answers Request Answer ? kips, kips-ft Review
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