Determine the shear force acting at each of the following locations: (a) x = 0+ m (i.e., just to the right of point A) (b) x = 3.5- m (i.e. just to the left of B) (c) x = 3.5+ m (i.e., just to the right of B) (d) x = 12.0- m (i.e., just to the left of D)
Use the graphical method to construct the shear-force and bending-moment diagrams for the beam shown. Let a=3.5 m, b=5.0 m, MB = 110 kN-m and MC = 145 kN-m. Construct the shear-force and bending-moment diagrams on paper and use the results to answer the questions in the subsequent parts of this GO exercise.
Calculate the reaction forces Ay and Dy acting on the beam. Positive values for the reactions are indicated by the directions of the red arrows shown on the free-body diagram below. (Note: Since Ax = 0, it has been omitted from the free-body diagram.)
Determine the shear force acting at each of the following locations:
(a) x = 0+ m (i.e., just to the right of point A)
(b) x = 3.5– m (i.e., just to the left of B)
(c) x = 3.5+ m (i.e., just to the right of B)
(d) x = 12.0– m (i.e., just to the left of D)
When entering your answers, use the shear force sign convention.
Answers:
(a) V = kN.
(b) V = kN.
(c) V = kN.
(d) V = kN.
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