The figure below shows a system to be released from rest, with block A having a mass of 60.0 kg and block b having a mass of 21.0 kg. For the coefficients of friction s = 0.34 and k = 0.2, calculate the friction force acting on block A (in the x-direction), to one decimal place, expressed in units of Newtons (but do not include the units in your answer). Neglect the mass and friction of the pulleys. Ms. Mk- A 60 kg 30 B