$$

B$.$ generate displacement, but no internal forces.

C$.$ Neither internal forces nor displacements are generated

$(7)$ The axial forces in the beam are $()$

A$.$ Tensile force

B$.$ Zero

C$.$ Compressive force

$(8)$ A structure which can be solved by applying the conditions of static equilibrium is known as $()$

A$.$ stable system with no redundant restraints

B$.$ stable system with one redundant restraints

C$.$ indeterminate structures

$(9)$ The bending moment diagram for the structure below is $()$

A$.$ Figure $b$

B$.$ Figure $c$

C$.$ Figure $d$

$(10)$ The number of indeterminacy for the structure below is $()$

A$.3$

B$.4$

C$.5$