how do I "determine whether the forces in each pair are pulling at right angles to each other"?
EX. 45 Ib, 24 lb, resultant force 51 lb

Respuesta :

Check if they follow the Pythagorean theorem.
The resultant force is like the hypotenuse.
45^2+24^2=2601
51*51=2601
So they are at right angles