What are vvvdat tables and how can they help with introductory physics homework?

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Discussion Overview

The discussion revolves around the creation of a Physics Homework FAQ thread aimed at assisting students with introductory physics problems. Participants explore various topics within physics, including kinematics, Newtonian mechanics, thermodynamics, and problem-solving techniques, while considering the structure and content of the FAQ.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested
  • Homework-related

Main Points Raised

  • Some participants suggest including common approaches to solving kinematics and Newtonian mechanics problems, emphasizing the importance of free body diagrams and conservation principles.
  • Others propose discussing the differences between material and geometric physical systems, highlighting how laws of mechanics may need adjustments for geometric systems.
  • A participant expresses concern about students' problem-solving techniques, advocating for a focus on solving problems algebraically before plugging in values.
  • There are suggestions to include topics like fluid mechanics and thermodynamics, with offers from participants to contribute their knowledge.
  • Some participants caution that creating a comprehensive FAQ may be time-consuming and suggest linking to existing model questions and answers instead.
  • One participant proposes discussing how to choose the most convenient description of a physics problem, including coordinate systems and frames of reference.
  • There is a call to decide whether the FAQ is a worthwhile project and what specific questions it should address.

Areas of Agreement / Disagreement

Participants express a mix of agreement and disagreement regarding the structure and content of the FAQ. While some support the idea of a FAQ, others raise concerns about its feasibility and the potential for it to become unwieldy. There is no consensus on the specific topics to include or the best approach to take.

Contextual Notes

Participants acknowledge that the project may require careful consideration of the types of questions to address and the balance between general approaches and specific physics topics. There is also recognition of the potential drawbacks of providing complete solutions that may hinder students' independent problem-solving skills.

Who May Find This Useful

This discussion may be useful for educators, students in introductory physics courses, and those interested in developing resources for physics homework assistance.

  • #31
Gradient FAQ or guide/introduction would be marvellous! I've been trying to learn about them but I still lack some general understanding. (I can do problems but still have no "clear picture".) If someone can suggest websites, please do so. I'm still in high school so self-studying this kind of math isn't too easy.
 
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  • #32
Astronuc said:
I have been wondering about this myself. Is there such a thread in the Math forum? If not, I would be pleased to create one.

I think an understanding of the physical signifcance of gradient, divergence and curl is very helpful to students in physics and engineering.

There is an excellent discussion of this matter in "Mathematics of Classical and Quantum Physics", by Frederick W. Byon, Jr. and Robert W. Fuller. So I imagine any thread on this subject would be pretty much a regurgatation of Byron and Fuller.

BTW, I like marlon's and arildno's treatments of the subjects they did. Like e(ho0n3 mentioned, I have not seen a treatment like the one by arildno in "Classical Systems With Variable Mass And Other Geometric Systems". I think this partially addresses the matter discussed in "lessons" in the Feedback forum.


"Div, Grad, Curl, and all that" is another good, though informal, treatment of the topic.
 
  • #36
When I teach intro physics to high school students, I concentrate more on them understanding the concepts at first than actually using formulas. Thus, I have the students make use of vvvdat tables in describing situations. (Initial, final, and average velocity.) Other than for solving problems in which an initial or final velocity is given, along with an acceleration and distance, those tables work quite well to reinforce concepts as well as to help with problem solving. edit: sorry, I should mention that I'm in NY; this state uses "d" for displacement in formulas.
 

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