If a boy stands on one foot (92cm2) and exerts a pressure of 10N/cm2 on the ground, what was his weight?

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If a boy stands on one foot (92cm2) and exerts a pressure of 10N/cm2 on the ground, what was his weight?

2007-09-13 07:17:25 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Physics

3 answers

P = F/A

F = P*A = 10 * 92 = 920 N

2007-09-13 07:21:50 · answer #1 · answered by civil_av8r 7 · 1⤊ 0⤋

that is simple, multiply 92 cm^2 by 10 N/cm^2 to get 920 N. A Newton is a mass times an acceleration, the acceleration in this case is gravity which is 9.81 m/s^2. Divide 920 by 9.81 to get 93.78 Kg

2007-09-13 07:28:54 · answer #2 · answered by Phillip 2 · 0⤊ 0⤋

206.6 pounds. its a big boy.

2007-09-13 08:19:11 · answer #3 · answered by goring 6 · 0⤊ 0⤋