Respostas

2014-03-27T19:01:33-03:00
Resposta

F = P

F = 720N /2 = 360N
S = 120cm² = 0,012m²

Formula

P =  \frac{F}{S}

P = \frac{360}{0,012}

P = 3.10⁴ N/m²
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