I got it (a) but it is apparently wrong. How?
A force of 40N acts on 4cm2. What is value of pressure in N/m2?
a)105
b)104
c)103
d)106
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2 Answers
Angikar Ghosal
·2014-04-30 07:45:53
4 cm2
= 0.04 dm2
= 0.0004 m2
Therefore, Pressure(N/m2) = Force(N)Area(m2) = 400.0004 =40 * 100000.0004 * 10000 = 400000/4 = 100000 N/m2 = 105 N/m2
You are absolutely correct, Vinayak.
Your procees is correct. No mistake.