The simplest truss consists of two rods and is loaded by the block.
Given: block weight Q=6,3 kN. Angle α=23 degrees, angle β=54 degrees.
Find: the algebraic (positive or negative) value (in kN) of normal force N1 in the rod 1, considering that N1>0 for tension and N1<0 for compression.

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