The simplest truss consists of two rods and is loaded by the block.
Given: block weight Q = 5,1 kN. Angle α = 69 degrees.
Find: the algebraic (positive or negative) value (in kN) of normal force N2 in the rod 2, considering that N2>0 for tension and N2<0 for compression.

К сожалению, у нас пока нет статистики ответов на данный вопрос, но мы работаем над этим.