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Plate sliding on ice with friction (Physics competition question)
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[QUOTE="jbriggs444, post: 6850651, member: 422467"] I agree that as a first approximation the plate would not move. This ignores the distinction between front and back wheels and considers the motorcycle as a unicycle. As a second approximation, the 200 N forward force on the plate from the free-wheeling front tire is adequate to cause the plate to shift forward at the beginning of the event when the plate is under only half load. Then it should shift rearward in a similar fashion at the end of the event. As I follow the sequence of accelerations, the net should be a slight forward shift. I believe that wheelbase information would be required to quantify it. As a third approximation, we would need to contemplate mass distribution on the motorcycle and how rolling resistance is assigned to the two wheels (proportional to load?) and, perhaps, the behavior of the engine when the drive wheels are running against a plate that is sliding out from under. Not really worth pushing this far in my opinion. [/QUOTE]
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Plate sliding on ice with friction (Physics competition question)
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