A uniform, 12.1 kg ladder rests aganist a wall such that it makes an angle of 72.5° above the ground. A 87.1 kg tradeperson can climb up 59.2% of the ladder's length before it slips. There is no friction between the ladder and the wall. Answer tolerance of ±5 on the third signficant digit. a) Determine the size of the normal force of the wall from the ladder. Number Units b) Determine the sizes of the normal force and force of static friction caused by the ground on the ladder. FN= Number Units X Fs = Number Units OL c) Determine the Coefficient of Static Friction between the ladder and ground. Number