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Phases of matter

Phases of matter. Higher order. Lower order. solid. liquid. gas. T. some positional and orientational order. orientational order. Nematic. Smectic A. Smectic C. liquid. T. Mesophases. Thermotropic Liquid crystals. solid. Straw Pressure.

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Phases of matter

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  1. Phases of matter Higher order Lower order solid liquid gas T

  2. some positional and orientational order orientational order Nematic Smectic A Smectic C liquid T Mesophases Thermotropic Liquid crystals solid

  3. Straw Pressure If you put your finger on top of a drinking straw submerged in water, you can hold the water in the straw when you draw it out of the water. • Draw a force diagram to show why this happens • If the water in the straw is 10cm high, what it the pressure at the top and the bottom of the straw?

  4. Hydraulics Consider a hydraulic lift, such as the one that lifts your car at the repair shop. The system is in static equilibrium if

  5. Lifting a car • The hydraulic lift at a car repair shop is filled with oil. The car rests on a 25-cm-diameter piston. To lift the car, a force is applied to push down on a 6 cm diameter piston. • What force will support a 1300 kg car level with the small piston? • If you lift the car up by 2m, by how much do you need to push the small piston?

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