v = (22/15)*98 = 143.7 ft/secĀ
For no friction, Ī = arctan[v²/(R*g)] = 32.68°Ā
Anet = ā[(v²/R + g²] = 33.2 ft/sec²Ā
Af = Anet*sinĪ = 17.93 ft/sec²Ā
Ff = m*Af = (3200/32.2)*Af = 1781.9 lb along the slope.Ā
Fr = Ff*cosĪ = 1500 lbSource(s):Free body diagramĀ
My 'cheat sheet' of physics formulae