The steel structure in the figure is supported at point B, but the support is not shown. Parts ABCD and EG are horizontal and the connecting part is vertical. Points E and G are 3m apart. A moment and three forces are applied at various points on the structure. The figure is not to scale. 50 kN 50 kN 4 m 100 kNm B 1 m 1m 1 m A 80 kN Replace the loading by an equivalent resultant force and couple moment acting at point B. a) Calculate the magnitude of the equivalent resultant force FB at point B and the corresponding angle between FB and the line BCD, measured clockwise from line BCD. |FB| kN. Angle = * (measured clockwise from line BCD). b) Calculate the magnitude of the equivalent resultant moment MR at point B. The magnitude MB = kNm. The direction of the moment Mg is Replace the equivalent resultant force and couple moment acting at point B (as calculated in Parts a and b) with a single resultant force only (no couple moment) placed on part ABCD. c) The resultant force has to be placed m from Point B on part

Elements Of Electromagnetics
7th Edition
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Author:Sadiku, Matthew N. O.
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The steel structure in the figure is supported at point B, but the support is not shown. Parts ABCD
and EG are horizontal and the connecting part is vertical. Points E and G are 3 m apart. A moment and three forces are
applied at various points on the structure.
The figure is not to scale.
50 kN
50 kN
4 т
100 kNm
A
B
30
1 т
1 т
1 т
A 80 kN
Replace the loading by an equivalent resultant force and couple moment acting at point B.
a)
Calculate the magnitude of the equivalent resultant force FB at point B and the corresponding angle between FB
and the line BCD, measured clockwise from line BCD.
FB
kN.
%3D
Angle =
(measured clockwise from line BCD).
b)
Calculate the magnitude of the equivalent resultant moment MR at point B.
The magnitude MB =
kNm.
The direction of the moment Mg is
Replace the equivalent resultant force and couple moment acting at point B (as calculated in Parts a and b) with a single
resultant force only (no couple moment) placed on part ABCD.
c)
The resultant force has to be placed
m from Point B on part
Transcribed Image Text:The steel structure in the figure is supported at point B, but the support is not shown. Parts ABCD and EG are horizontal and the connecting part is vertical. Points E and G are 3 m apart. A moment and three forces are applied at various points on the structure. The figure is not to scale. 50 kN 50 kN 4 т 100 kNm A B 30 1 т 1 т 1 т A 80 kN Replace the loading by an equivalent resultant force and couple moment acting at point B. a) Calculate the magnitude of the equivalent resultant force FB at point B and the corresponding angle between FB and the line BCD, measured clockwise from line BCD. FB kN. %3D Angle = (measured clockwise from line BCD). b) Calculate the magnitude of the equivalent resultant moment MR at point B. The magnitude MB = kNm. The direction of the moment Mg is Replace the equivalent resultant force and couple moment acting at point B (as calculated in Parts a and b) with a single resultant force only (no couple moment) placed on part ABCD. c) The resultant force has to be placed m from Point B on part
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