Chapter 01 introduction


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Chapter 01 introduction

  1. 1. 01: Introduction<br />
  2. 2. Academic Code of Honor<br />Will be given a warning, then be directed to the guidance office. Don’t do anything that you’ll be ashamed of in the future.<br />No Requirements (calcu, summary of concepts, pencil etc.) no Exam<br />Seating Arrangement<br />Class Number(This is to facilitate better monitoring of grades and attendance.)<br />Payment for stuff will be used in class<br />Photocopies of handouts, exams etc. handled by the class treasurer<br />
  3. 3. Teaching Philosophy<br />Teachers are standards and guides.<br />If you need any help, don’t hesitate to ASK.<br />
  4. 4. Walk, Run… Dance<br />
  5. 5. How Do I Study Physics?<br />Preparation and hard work are key to any successful learning endeavor. But a major factor not often mentioned is organization.<br />We will discuss several tips for learning physics principles in the following slides.<br />
  6. 6. Organization<br />Gather Materials:<br /><ul><li>Textbook
  7. 7. Notebook
  8. 8. Scientific Calculator
  9. 9. Test Notebook (filler)
  10. 10. Protractor (angles)
  11. 11. Ruler
  12. 12. Other Supplies</li></li></ul><li>NOTEBOOK<br />Purchase a loose-leaf filler notebook with tabbed sections such as shown here:<br />1. HANDOUTS<br />2. NOTES<br />3. PROBLEMS<br />4. EXAMS<br />5. LABS<br />6. RESOURCES<br />Hole Punch<br />By organizing all problems, notes, and graded exams, you are always able to review.<br />
  13. 13. Find a Class Partner<br />On the first day of class find someone who is willing to be your class “buddy.”<br />Make sure you get his or her name, phone number, and schedule. <br />The “buddy system” is your safety net for missed classes, handouts, assignments, returned papers, clarification, etc. <br />
  14. 14. Timely Learning<br />Timely learning is efficient learning. It is better to study an hour each day than to cram on weekends.<br />After each lecture, use your next free period to reinforce your understanding.<br />If you wait until the weekend, you must devote valuable time just rebuilding the information.<br />
  15. 15. Outside the Classroom<br />Learning is rarely completed in class.To reinforce teaching, you must work problems on your own as soon after class as possible.<br />Try first, seek help if neces-sary, review examples, work with others. Working prob-lems is the primary way to learn.<br />
  16. 16. Complaints of Beginning Physics Students<br /><ul><li>Indi magaling teacher ko.
  17. 17. Angkapalng textbook!
  18. 18. Indi akomagaling s math.
  19. 19. Walaakongoras.
  20. 20. Damikasingproblemasa: bahay, nanay, tatay, tropa, bf, gf, ff, gff. . .</li></li></ul><li>It’s Your Responsibility!<br />As hard as it sounds, the ultimate responsibility for learning rests with you and no one else.<br />Seek help if needed. Check out other books from the library. Review mathematics. Know when exams are scheduled. Go to consultation hours.<br />Take Action; Never let things outside your control prevent you from achieving goals!<br />
  21. 21. Test Anxiety<br />The major way to deal with such fears is through practice and adequate preparation.<br />How many times have we heard: “I know the material, but I just can’t perform on tests!”<br />It’s like shooting free-throws when a basketball game is on the line. You must practice foul shots until they become automatic during times of high pressure.<br />
  22. 22. Testing the Mars Rover<br /><ul><li>What is Physics?
  23. 23. The Scientific Method.
  24. 24. How Should I Study Physics?</li></ul>Objectives: 01<br />
  25. 25. What is Physics?<br />Physics is the science that investigates the fundamental concepts of matter, energy, and space, and the relationships among them.<br />Physics is the most basic of the sciences, underpinning all other disciplines of science, medicine, and engineering.<br />Physicists are problem solvers, often meeting new challenges and developing new theories. <br />NASA<br />
  26. 26. Scientific Method<br />Underlying all scientific investigation are the guiding principles of the Scientific Method.<br />Statement of problem. <br />Observation: data collection.<br />Hypothesis: proposed explanation<br />Experimental testing.<br />Acceptance or rejection of hypothesis.<br />
  27. 27. y<br />An Example of the Scientific Method<br />Albert Einstein once said: “Example isn't another way to teach, it is the only way to teach.”<br />In this example, we observe a falling object and attempt to predict the distance it will fall in a particular time.<br />Time t<br />The mathematics is largely ignored here in order to just provide the basic steps in the process.<br />
  28. 28. y<br />Time t<br />Statement of Problem<br />We need to be able to predict the time to fall for a vertical distance y.<br />By stating the problem, we simply verbalize a need to know or to be able to predict some event. The problem might not be solvable.<br />
  29. 29. Observations<br />y1<br />t1<br />y2<br />t2<br />y3<br />t3<br />To address the problem, we organize the data and several trial observations.<br />We measure the time for several drops at different heights.<br />
  30. 30. The following equation is written and the constant k is determined from the data.<br />y<br />Time t<br />Hypothesis<br />By applying the mathematics and graphing techniques to the observed data, we note that the time of fall is proportional to the square of time, t2.<br />The hypothesis is now a theory which can be tested.<br />
  31. 31. Experimental Testing<br />The next step is for us (and for others) to test the hypothesis: If time t is given in seconds (s), the distance yin meters (m) is:<br />Each time the distance is predicted correctly, the theory is reinforced.<br />In order for a theory to be accepted, it must be consistent and repeatable by others.<br />
  32. 32. "No amount of experimentation can ever prove me right, one single experiment can prove me wrong." <br />--- Albert Einstein.<br />Accept or Reject Hypothesis<br />Each time the distance is predicted correctly, the theory is accepted.<br />It takes only one instance of proven failure to cause the hypothesis to be rejected!<br />