10.7 Buoyancy and Archimedes Principle
10.8 Fluids in Motion; Flow Rate and the Equation of Continuity
10.9 Bernoulli’s Equation
10.10 Application of Bernoulli’s Principle
10.11 Viscosity
10.12 Flow in Tubes: Poiseuille’s Equation
Objectives:
1. Students will explain the principles associated to Archimedes Principle.
2. Students will relate the various flow rates to forces and motion.
3. Students will explain how Bernoulli’s equation is applied.
4. Students will relate viscosity to flow in tubes.
Homework: 22-44 even pp. 282-283
Formula Search –Find all formulas state the units and purpose for making
calculations.
Vocabulary to Know:
Buoyancy
Buoyant Force
Pressure
Archimede’s Principle
Apparent weight
Density
Volume
Hydrometer
Fluid Dynamics
Hydrodynamics
Streamline
Laminar Flow
Turbulent Flow
Viscosity
Flow Rate
Equation of Continuity
Bernoulli’s Principle
Torricelli’s Principle
Dynamic Lift
Venturi Tube
Poiseuille’s Equation
10.7 Buoyancy:
1. What is a buoyant force?
2. How does a buoyant force occur?
3. State Archimede’s Principle.
4. How is displacement related to Archimede’s Principle?
5. How is Archimede’s Principle derived from Newton’s Laws?
6. Explain apparent weight.
7. How does a hydrometer work?
8. How does Archimede’s Principle relate to geology?
10.8 Fluids in Motion:
1. Compare and contrast the two main types of fluid flow.
2. How is viscosity related to fluid flow?
3. What would occur if there was no viscosity?
4. Explain the equation of continuity.
5.What is meant by the volume rate of flow?
6. How can flow rate help us better understand the circulatory system?
10.9 Bernoulli’s Equation:
1. Define Bernoulli’s Principle.
2. How did Bernoulli develop his equation?
10.10 Application of Bernoulli’s Principle:
1. How is Torricelli’s Theorem related to Bernoulli’s Principle?
2. Pick two applications of Bernoulli’s Principle and explain them in your own
words.
3. What is a Venturi tube and give an example of an application.
10.11 Viscosity:
1. How is viscosity expressed?
2. How is a viscosity gradient created?
10.12 Poiseuille’s Equation
1. Explain and give an example of Poiseuille’s Equation