Question:
A girl stands on a box having $60 \mathrm{~cm}$ length, $40 \mathrm{~cm}$ breadth and $20 \mathrm{~cm}$ width in three ways. In which of the following cases, pressure exerted by the brick will be
(a) maximum when length and breadth form the base
(b) maximum when breadth and width form the base
(c) maximum when width and length form the base
(d) the same in all the above three cases.
Solution:
(b). Explanation:
$P=\frac{F}{A}$
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