Three boxes of equal dimensions (20 cm x 30cm x 50 cm), containing material which density
6.8x10-2 g/cm3 are to be stored for winter. What is the least amount of pressure that can be
exerted by the blocks?
a) 1999.2 g/cm.s2
b) 40 Pa
c) 666 Pa
d) 4000 g/cm.s2
e) 333 Pa
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