Which of the following is not a dimensionless number? Strain, specific gravity, stress, or Reynolds number?

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Which of the following is not a dimensionless number? Strain, specific gravity, stress, or Reynolds number?

2006-11-18 15:21:40 · 4 answers · asked by sam54 1 in Science & Mathematics ➔ Physics

4 answers

http://en.wikipedia.org/wiki/Strain_%28materials_science%29
http://en.wikipedia.org/wiki/Specific_gravity
http://en.wikipedia.org/wiki/Stress_%28physics%29
http://en.wikipedia.org/wiki/Reynold%27s_number

2006-11-18 15:26:32 · answer #1 · answered by arbiter007 6 · 0⤊ 1⤋

Of those listed, stress is the only one with dimensionality (Pressure). Specific gravity is the lamest of the four.

2006-11-19 00:49:27 · answer #2 · answered by soulinverse 4 · 0⤊ 0⤋

specific gravity as it is the ratio of the density of a material compared to water

2006-11-18 23:26:04 · answer #3 · answered by Wal C 6 · 0⤊ 0⤋

Reynolds number.

PV = nRT.

2006-11-19 00:04:28 · answer #4 · answered by Anonymous · 0⤊ 0⤋