tutorial3_sp10

List which forces in part b correspond to each force

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Unformatted text preview: net force on C to your answers in part b). List which forces in part b) correspond to each force on System C. 3 h) Are there any forces that were present on your diagrams in part b), but not in part g)? What characteristic do these forces share, and why are they unimportant to the motion of System C? i) For the remaining problems, assume that the system is set up as in Fig. 1, except that all the frictional forces become smaller. In particular, note that the force applied by the hand on System A is not changed. Draw the free-body diagrams for Systems A and B. j) The motion of the system has now changed. Describe the motion in a couple of words. k) Is the net force on System A bigger, smaller or the same as the net force on system B? How can you tell? l) Identify and describe the flaw in this statement: "System A and System B are pushed by the same force as before, so the motion will be the same as before." m) Identify and describe the flaw in this statement: "System A and System B should be speeding up since friction is lower. So now System A is pushing on System B with a greater force than System B is pushing on System A." 4...
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