A) \[300\text{ }kgf/{{m}^{2}}~\]
B) \[100\text{ }kgf/{{m}^{2}}\]
C) \[200\text{ }kgf/{{m}^{2}}\]
D) \[400\text{ }kgf/{{m}^{2}}\]
Correct Answer: B
Solution :
\[F=50\text{ }kg\text{ }f\] \[A=1m\times 0.5\text{ }m=0.5{{m}^{2}}\] \[\therefore \] \[P=\frac{F}{A}=\frac{50\,kgf}{0.5\,{{m}^{2}}}=100\,kg\,f/{{m}^{2}}\] The correct answer is B.
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