Resposta :
[tex]1)\;\;p=\dfrac{F}{A}\Longrightarrow p=\dfrac{60}{0,3}\Longrightarrow\boxed{p=200\;N/m^2=200\;Pa}\\\\\\
2)\;\;p=\dfrac{F}{A}\Longrightarrow 40=\dfrac{F}{2}\Longrightarrow F=40\cdot2\Longrightarrow\boxed{F=80\;N}[/tex]
[tex]1)[/tex]
[tex]p = \frac{F}{A}[/tex]
[tex]p = \frac{60}{0,3}[/tex]
[tex]p = 200 N/m^{2}[/tex]
[tex]2)[/tex]
[tex]p = \frac{F}{A}[/tex]
[tex]40 = \frac{F}{2}[/tex]
[tex]F = 40.2[/tex]
[tex]F = 80 N[/tex]