Viscosity Formula: Why Not (mass x length)/(time x area)?

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Homework Help Overview

The discussion revolves around the formula for viscosity and the validity of an alternative expression for its units. Participants are questioning the relationship between mass, length, time, and area in the context of viscosity.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants are exploring the units of viscosity and questioning the reasoning behind the alternative formula proposed by the original poster. There is a focus on understanding the correct dimensional analysis related to viscosity.

Discussion Status

Some participants express confusion regarding the original question and the proposed formula, indicating a lack of clarity. There is disagreement on the correct formulation of viscosity units, with differing opinions presented but no consensus reached.

Contextual Notes

Participants are discussing the implications of using different formulas and the assumptions that underlie the definitions of viscosity. The original poster's question appears to stem from a misunderstanding of the dimensional analysis involved.

werson tan
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Homework Statement


why the alternative formula of viscosity not = (mass x length ) / ( time x area) ?

for force x time , we would get (mass x length ) / time ...

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The Attempt at a Solution

 

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You are asking about the units of viscosity, but, at least to me, your question does not make sense. What exactly are you asking?
 
Chestermiller said:
You are asking about the units of viscosity, but, at least to me, your question does not make sense. What exactly are you asking?
i don't agree with the formula mass/ (length x area)
 
werson tan said:
i don't agree with the formula mass/ (length x area)
i think it is wrong
 
werson tan said:
i think it is wrong
The units should be mass/(length x time)
 
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