1. The cantilever beam in Figure 1 is fixed A, and is loaded with a distributed load from B to C and a concentrated moment at D. (a) Determine all of the support reactions on the beam (at A). Show free-body diagrams (with all essential components), and clearly annotate all calculations. [ans.: A, 10 kN; Ax = 0; M₁ = 20 kNm] (b) Use the METHOD OF SECTIONS to determine expressions for the shear force and bending moment along the entire length of the beam. [Ans.: A to B: Q = 10 kN, M = 10x - 20 kNm; B to C: Q = -10x + 15 kN, M = -5x² + 15 x - 21.25 kNm; C to D: Q = 0, M = -10 kNm] (c) Plot the shear force and bending moment diagrams. X 0.5 m B 10 kN/m 1 m C 0.5 m 10 kNm D

Structural Analysis
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Tutonal 54: Beam
1. The cantilever beam in Figure 1 is fixed at A, and is loaded with a distributed load from B
to C and a concentrated moment at D.
(a) Determine all of the support reactions on the beam (at A). Show free-body diagrams
(with all essential components), and clearly annotate all calculations.
[ans.: Ay = 10 kN; Ax = 0; M₁ = 20 kNm]
(b) Use the METHOD OF SECTIONS to determine expressions for the shear force and
bending moment along the entire length of the beam.
[Ans.: A to B: Q = 10 kN, M = 10x - 20 kNm;
B to C: Q = -10x + 15 kN, M = -5x² + 15 x - 21.25 kNm;
C to D: Q = 0, M = -10 kNm]
(c) Plot the shear force and bending moment diagrams.
Ex
Analysis:
0.5 m
B
10 kN/m
1 m
C
:Sections
0.5 m
10 kNm
D
Transcribed Image Text:Tutonal 54: Beam 1. The cantilever beam in Figure 1 is fixed at A, and is loaded with a distributed load from B to C and a concentrated moment at D. (a) Determine all of the support reactions on the beam (at A). Show free-body diagrams (with all essential components), and clearly annotate all calculations. [ans.: Ay = 10 kN; Ax = 0; M₁ = 20 kNm] (b) Use the METHOD OF SECTIONS to determine expressions for the shear force and bending moment along the entire length of the beam. [Ans.: A to B: Q = 10 kN, M = 10x - 20 kNm; B to C: Q = -10x + 15 kN, M = -5x² + 15 x - 21.25 kNm; C to D: Q = 0, M = -10 kNm] (c) Plot the shear force and bending moment diagrams. Ex Analysis: 0.5 m B 10 kN/m 1 m C :Sections 0.5 m 10 kNm D
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