|Chronology||Current Month||Current Thread||Current Date|
|[Year List] [Month List (current year)]||[Date Index] [Thread Index]||[Thread Prev] [Thread Next]||[Date Prev] [Date Next]|
I'm confused by this response. Again, I would ask - if I use my hand instead
of the sheet of paper to move the cup - are you saying my hand does no work
to accelerate the cup? My hand still moves with the center of mass. What
makes the paper different?