posted by mee .
A 16.0-m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 63.0° angle with the horizontal.
(a) Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 850-N firefighter has climbed 3.80 m along the ladder from the bottom.
Give the magnitude and direction of the vertical and horizontal components