a) wll = f (α, w)

b) wL = f (α, w)

sen α = co/hip = wll/w

wll = w sen α

cos α = ca/hip = wL/w

wL = w cos α

c) α = 35°

Pll ≤ 550 N

Pmax → Pll = 550 N

Pll = P sen α

P = Pll/sen α = 550/sen 35

P = 958 N