The space inverted pyramidal truss with rectangle base is modified. The support at D is changed as shown and a horizontal load is added. In addition, the support at B is changed so that there is a ball-and-socket connection instead of the vertical rope. Determine the forces in members AC and BD. The forces are positive if in tension, negative if in compression. Answers: AC = 6a BD = i i E M A AM=9a 7a L L

The space inverted pyramidal truss with rectangle base is modified. The support at D is changed as shown and a horizontal load is added. In addition, the support at B is changed so that there is a ball-and-socket connection instead of the vertical rope. Determine the forces in members AC and BD. The forces are positive if in tension, negative if in compression. Answers: AC = 6a BD = i i E M A AM=9a 7a L L

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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The space inverted pyramidal truss with rectangle base is modified. The support at D is changed as shown and a horizontal load is
added. In addition, the support at B is changed so that there is a ball-and-socket connection instead of the vertical rope. Determine the
forces in members AC and BD. The forces are positive if in tension, negative if in compression.
ба
Answers:
AC = i
BD= i
E
M
A
L
AM=9a
7a
L
L

Branch of science that deals with the stationary and moving bodies under the influence of forces.

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