Graphic statics basics. Two forces with parallel lines of action; two concurrent forces; system of concurrent forces; theorem of three forces; funicular polygon; examples (precepts). 2) Static ...

The line segment RS is labelled \(c\). Substitute the values of a, b and c into Pythagoras’ theorem to give 2² + 4² = \(c\)². 4 + 16 = 20 To find the value of \(c\), calculate the square root ...