yes...she taught us the components of a vector...regarding about the book...we only have a book about torque and there's no reaction components and the resultant reaction...
Homework Statement
A 12 m long uniform ladder, weighing 285 N, leans against the wall. The foot of the ladder is 6.5 m away from the wall. Determine the reaction components and the resultant reaction(magnitude & direction) if the coefficient of friction for static at the wall and the floor are...