Ango wisungata - get a feel for pressure
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last edit was on october 3
11 biva
a 71001 -
normal text -
ariel
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how many books are in the stack you weighed
_?
utline
what is the weight of each book
feel for pressure
2) now measure the area of your palm
a) trace your palm out on the 1 inch square grid paper and count up the number squares that your
palm covers. you will have to estimate how much area the fractional squares add up to. look at
the figure below as an example,
the (almost) whole squares with the red
squiggles add up to 4
and two of the hall squares with the yelow in
them add up to 1 whole
ce
there are 4 pairs of those half squares, so
they all add up to about 4
the total area inside the blue outline is
almost exactly 8 square inches