Question of the day | 22-03-2021

For the section of a frame cut as shown in the figure above;

1. Generate the equation for bending moment along the beam.
(A) M_x = 5x + 27.5 – 10x²
(B) M_x = 27.5x – 5x² – 15
(C) M_x = 27.5x – 10x² + 15
(D) M_x = 5x + 27.5x² + 10x

2. Generate the equation for shear force on the beam.
(A) Q_x = 5x + 27.5 – 10x
(B) Q_x = 27.5x + 10x
(C) Q_x = 5x – 10
(D) Q_x = 27.5 – 10x

3. What the axial force on column AB?
(A) 27.5 kN (compression)
(B) 10 kN (Tension)
(C) 5 kN (Compression)
(D) 17.5 kN (Tension)