Four identical bricks are placed on top of each other at the edge of a table. Is it possible to
slide them horizontally across each other in such a way that the projection of the topmost one
is completely outside the table? No marks for guessing. Hint. Start the process from the top.
The general strategy is to move each sub-pile of bricks until its combined center of gravity is
just above the edge of the brick below it.
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yes, it is possible for the last brick to be completely off the table.
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