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lecture02-fluids and pressure-

# lecture02-fluids and pressure- - So far Density A uid a...

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So far … Density A ﬂuid: a substance that ﬂows and takes the shape of that container (if in a container). today average density What is pressure; deFniBon of pressure CalculaBon involving air pressure

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Density Definition: Density (symbol ρ ) of an object of mass M that occupies a volume V is defined as the mass per unit volume of the object M V ρ = this equation represents the average density of an object (total mass of the object divided by its total volume). Density is a scalar quantity
Consider three cubes of different volumes but equal masses . Which of the following relationships ( smaller to larger ) is true about the densities of these cubes? A) All three cubes have the same density ! 2 < 1 < 3 1 < 2 < 3 3 < 1 < 2 C) D) B) 1 ρ 2 3 i>clicker

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What about the density of non-uniform objects? Which of these has the largest average density? Jupiter Earth The Sun (A) (B) (C) (D) I need more information http://justearth.net/ http://www.solarspace.co.uk/jupiter.php http://curious.astro.cornell.edu/sun.php
calculate the average density http://justearth.net/ http://www.solarspace.co.uk/jupiter.php http://curious.astro.cornell.edu/sun.php Jupiter

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lecture02-fluids and pressure- - So far Density A uid a...

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