why is motor oil more viscous than water ? does motor oil have a greater surface tension that water ?
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13
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water is more denser then oil but viscosity of water is less then oil. First of all,what is viscosity? Viscosity is property of fluid (in motion) by virtue of which it provides restrictions in flow. Viscosity of liquid depend upon cohesive force where as in gas it depend upon molecular interaction.
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because the density of oil is greater than water.
no motor oil doesn't has a high surface tension
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