method of joint

method of section

either method

none of the two methods

vertical ordinate of funicular polygon

vertical ordinate of the arch

intercept between the arch axis and the funicular polygon

none of these

can be obtained by graphic statics

cannot be obtained by graphic statics

may be obtained by graphic statics

can be obtained by graphic statics by trial and error

shear force

resultant force

bending moment

equilibrium

distance scale

force scale

mass scale

time scale