3) Superman is regaining his strength by pulling with a force F on a large block of mass M resting on a frictionless floor as shown. A small block of mass m rests on the upper surface ofthe large block, and there is friction at that surface, with static coefficient u. Lois Lane has tied the small block to the wall with a light strong cable sloping up at an angle 6. What is the maximum value of F before something slips? (Answer: 656 N) (Answers in Newtons) 9 ._. 50" m = ZS'OS M " #50343 J! : A' \\ \\\\\\\\\\\\