Question

As the loading in bridge different from the simple trusses the calculations involved in the bridges are all 2D calculations.

(a) True

(b) False

This question was posed to me by my school teacher while I was bunking the class.

The query is from Simple Trusses in portion Structural Analysis of Engineering Mechanics

Answer 1

The correct choice is (b) False

The explanation: The loading in the bridge is acting in a plane. Thus the calculations are done in 2D only. As the equations for 3D are different. Although the use of vectors can make our task easy but still 2D calculations are done for the trusses, as they are acting in the same plane. But the thing is that the loading in bridge and trusses are same.