Introduction to Mechanics
19. Continuous Mass Flow
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Learning Objectives
- Be able to recognize the different categories of continuous mass flow problems.
- Construct momentum diagrams for continuous mass flow.
- Be able to find the differential equation describing the speed of the objects involved in continuous mass flow problems.
- Be able to determine whether or not external forces are acting on a system involving continuous mass flow.
- Be able to solve the differential equation involving continuous mass flow problems using integration techniques.
Preparation
Course Notes
Notes: Continuous Mass Flow (PDF - 4.1MB)
Suggested Textbook Reading (Optional)
Chapter 8.6. Young, Hugh D., Roger A. Freedman, and A. Lewis Ford. Sears and Zemansky's University Physics: with Modern Physics. 12th ed. San Francisco, CA: Addison-Wesley, 2007. ISBN: 9780805321876.
Lecture Video
Video Excerpts
Watch the following excerpts from the Physics I lecture videos:
Download the complete lectures from this course:
Learning Activities
Guided Activities
Read through the class slides carefully. They explain all of the concepts from the module.
Slides: Continuous Mass Flow (PDF)#
Self-Assessment
Do the Concept Questions first to make sure you understand the main concepts from this module. Then, when you are ready, try the Challenge Problems. If you are struggling with the Challenge Problems, watch the Homework Help Session videos, which will give you tips on how to tackle problems of this type.
Concept Questions
Challenge Problems
Problem Solving Help
In the following videos Prof. Walter Lewin explains how to approach the Challenge Problems.
Help Session
Download this video:
» iTunes U (MP4 - 21MB)
» Internet Archive (MP4 - 21MB)
Related Resources
There are countless resources available online to help you learn physics. Try these:
- Learn about Force and Momentum from HyperPhysics at Georgia State University.
- Read about force and invariant mass and see the rocket example from Connexions.
- Learn about rocket propulsion from the Rocket & Space Technology website.
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