9
please show ur Work >>>>
Dimension of a pressure ?



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i need to see the steps of solving it plz :)

ash2326
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Do you know the relation between Pressure and force?

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i know \[p = \frac{ F }{ a }\] So \[= \frac{ m a }{a }\]

ash2326
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\[P=ma / A\]
\[a\ne A\]
can you tell me the difference between a and A?

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idk , u tell me :B

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i just wanna know how we got L to the power 1 and T to the power 2

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how we got the negative powers ?

ash2326
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a= acceleration= distance/ (time )^2= L/T^2=\(LT^{2}\)
A= area= \(L^2\)

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oh yeah

ash2326
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Can you try now?

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gemme a minute

ash2326
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sure :)

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= \[\frac{ M L T ^{2} }{L T ^{2} }\]

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is that right 0

ash2326
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Why you have \(Lt^{2}\) in the denominator?

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because pressure = \[\frac{ m a }{a }\] and \[a = l T ^{2}\]

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u just said that >_>

ash2326
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Read my post again,

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is p pressure Force over area ?

ash2326
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Yes :)

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i thought its force over acceleration .

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okie my bad

ash2326
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No problem, you got it now?

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yeah , thanks again