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1.	The cable and arch are subjected to axial force respectively as ______.1. Tensile and Compressive2. Compressive and Tensile3. Tensile and Tensile4. Compressive and Compressive
Answer» Correct Answer - Option 1 : Tensile and Compressive Explanation: Cable: The cables are considered to be perfectly flexible and inextensible. It is subjected to axial tension only because of flexibility they don’t resist the shear and bending moment. Arch: Arches can be used to reduce the bending moments in long-span structures. Essentially, an arch acts as an inverted cable, so it receives its load mainly in compression although, because of its rigidity, it must also resist some bending and shear depending upon how it is loaded and shaped. In particular, if the arch has a parabolic shape and it is subjected to a uniform horizontally distributed vertical load, then only compressive forces will be resisted by the arch. Under these conditions the arch shape is called a funicular arch because no bending or shear forces occur within the arch.

The cable and arch are subjected to axial force respectively as ______.1. Tensile and Compressive2. Compressive and Tensile3. Tensile and Tensile4. Compressive and Compressive

Answer» Correct Answer - Option 1 : Tensile and Compressive

Explanation:

Cable:

The cables are considered to be perfectly flexible and inextensible. It is subjected to axial tension only because of flexibility they don’t resist the shear and bending moment.

Arch:

Arches can be used to reduce the bending moments in long-span structures.
Essentially, an arch acts as an inverted cable, so it receives its load mainly in compression although, because of its rigidity, it must also resist some bending and shear depending upon how it is loaded and shaped.
In particular, if the arch has a parabolic shape and it is subjected to a uniform horizontally distributed vertical load, then only compressive forces will be resisted by the arch. Under these conditions the arch shape is called a funicular arch because no bending or shear forces occur within the arch.

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