i. Module 4 Fluids and Thermodynamics ... - Workforce 3 One

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3. Was there any mechanical advantage provided by the hydraulic system (syringes) in themini lift that you operated in Activity 1?Module 4 Student Guide Fluids & Thermodynamics Page 12
The key mechanical advantage of hydraulic systems is that the same pressure is applied toall areas within the container.Pascal’s LawPressure exerted on a confined liquid at rest is transmittedequally in all directions.It is the same at any point in the liquid, and acts at rightangles to the surfaces of the container.• Pascal’s law is valid irrespective of the shape of thevessel• Any change in the exerted pressure is seen almostinstantly throughout the liquid.If syringe A’s area is 1 in 2, and we apply a 1lb force then weare applying 1lb per square inch. That is we are applying 1 lbof pressure to every square inch in Syringe A, Syringe Band the tubing connecting the syringes.In Figure 1, the pressure is the same for all areas, so 1lb ofpressure is applied to each square inch.If the Area of B is 10 square inches then we have 10 timesthe force.Formally:Pressure = Force/Area or P =F/AFor 1lb of force applied to 1 square inch: P = 1lb/in 2 .This is usually referred to as psi(pressure per square inch)Figure 1Module 4 Student Guide Fluids & Thermodynamics Page 13
Page 1 and 2: Module 4Thermodynamics & Fluid Powe
Page 3 and 4: The final assembly of the apparatus
Page 5 and 6: 2. Place the cup in the bell jar an
Page 7 and 8: B. Freeze a balloonEver wanted to f
Page 9 and 10: Lesson 4: Fluid PowerActivity 1: Fo
Page 11: 3. Switch the water filled syringe
Page 15 and 16: The brakes in cars are a good examp
Page 17 and 18: How does a Hydraulic Jack Work?Hydr
Page 19 and 20: sure the ends of the tubing do not
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Page 23 and 24: A more accurate method is to use a
Page 25 and 26: Activity 1: Thermal Conductivity of
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i. Module 4 Fluids and Thermodynamics ... - Workforce 3 One

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