FLUID MECHANICS

ESTIMATED TIME: 2 WEEKS

Reading Assignment:
Giancoli's 5/6e: Sections 10.1 through 10.4, 10.6, 10.7 and 10.8
Walker 2e: Sections 15.1 through 15.8

Homework:
Giancoli's 5e, Ch. 10: 2, 14, 17, 26, 27, 35, 37, 39, 41, 43
Giancoli's 6e, Ch. 10: 2, 14, 17, 27, 31, 36, 40, 43, 45, 46
Walker 2e Ch. 15: 16, 21, 22, 33, 37, 47, 51, 53, 56, 58

TEACHING RESOURCES:

DEMOS
LABS
SIMULATIONS

- Soda Can and Atmospheric Pressure
- Pressure and Buoyancy
- Archimedes' Principle

LAB 11. Archimedes' Principle
Objectives: To determine the density of two unknown materials.
Equipment: Triple beam balance, overflow can, beaker, various metal
objects and string
Type of Lab: Open ended

LAB 12. Torricelli's Theorem
Objectives: To determine the exit velocity of a liquid and to investigate the
range attained with holes at varying heights.
Equipment: Clear plastic bottle with three holes at various heights, plastic container, water and meterstick.
Type of Lab: Open ended

LECTURE NOTES

- Pressure; Fluid Statics
- Fluid Dynamics

PROBLEM SOLVING

- Fluid Statics
11 interactive problems with hints and detailed solutions.

KEY ITEMS:

• Most misunderstandings in this topic have to do with the buoyant force. Students tend to believe that it depends on the mass of the object. The buoyant force is the weight of the fluid that would occupy the same volume as the object, i.e. it is equal to the weight of the displaced fluid.

• Also, students often think that the buoyant force increases with depth. They confuse pressure with the buoyant force.

• Remind the students that Bernoulli's principle is just a statement of   conservation of energy.