A box on level ground has a mass of m= 120 kq. A force of 172. IN is applied at an angle of A = 250 above the horizontal. Calculate the acceleration in the X-direction. Calculate the normal force on an object of mass M= 12 k on an inclive with 1 = 220 above the horizontal. Calculate the normal force on an deject of mass Id ka on an inclive with D- 220 above the horizontal and has an acceleration down the incline of a = 0. 3 ms-2