6) If the shear force is not applied on the centre of shear of the cross section then: a) the section is subject to bending moment in addition; b) the section is subject to torque in addition; c) the section is subject to pure shear. 7) Instability of equilibrium occurs: a) for slender beam and tension/compression forces; b) independently from the stress at same points being beyond the maximum admissible for the material; c) when the stress at some points is above the maximum admissible for the material. 8) If an axial force N is applied out of the nucleus of inertia of a cross section: a) the neutral axis cuts the section in some points; b) the neutral axis does not cut the section in any point; c) the neutral axis coincides with an edge of the section.
6) If the shear force is not applied on the centre of shear of the cross section then: a) the section is subject to bending moment in addition; b) the section is subject to torque in addition; c) the section is subject to pure shear. 7) Instability of equilibrium occurs: a) for slender beam and tension/compression forces; b) independently from the stress at same points being beyond the maximum admissible for the material; c) when the stress at some points is above the maximum admissible for the material. 8) If an axial force N is applied out of the nucleus of inertia of a cross section: a) the neutral axis cuts the section in some points; b) the neutral axis does not cut the section in any point; c) the neutral axis coincides with an edge of the section.
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Transcribed Image Text:6) If the shear force is not applied on the centre of shear of the cross section then:
a) the section is subject to bending moment in addition;
b) the section is subject to torque in addition;
c) the section is subject to pure shear.
7) Instability of equilibrium occurs:
a) for slender beam and tension/compression forces;
b) independently from the stress at same points being beyond the maximum admissible for the material;
c) when the stress at some points is above the maximum admissible for the material.
8) If an axial force N is applied out of the nucleus of inertia of a cross section:
a) the neutral axis cuts the section in some points;
b) the neutral axis does not cut the section in any point;
c) the neutral axis coincides with an edge of the section.
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