6, 2.55 kg cat moves in a straight Jine (the x-axis). a maximum net force this C) 10.2 N D) 15.8 N E) 22.4 N v, (mlsj 121) 10.0 8.0 6.0 4.0 0 2.0 40 60 80 IOD 7. For the previous problem calculate the net force at time 8.5 s. A) 1.32 N B) 2.55 N C) 13.51 N D) 27.65 N E) 31.24 N 8. A 5.0 kg block slides 3.0 meters down a ramp that is inclined at 37 degrees. The friction between the block and the ramp is g = 0.25. How much work is done on the frictional force? B) -10 J C) -30 J D) -23 J E) -38 J Page 3 ot