Go to: Course homepage, Lectures

Lecture: 16 Chapter 4 (iq13)

1. Qualitative description: Motion along a curve

o Small equal spacing kicks.

o Fix the speed increasing F.

o Fix F increasing v

2. Kissing circle: Force at A. pdp_hat/dt =F_net

o To the left.

o Directed toward the center.

o In general F_|| changes the speed not the direction.

3. Cause and effect

o Keep v fixed, a big F generates a small R circle

o A big p requires a big F to keep R fixed.

4. F_seat in the plane at A and at B.

5. Circular pendulum.

Announcement:

1. A checklist on the course materials you should know about this course:

o Textbook figures, examples, clicker questions

o Exercises with X designation, which have answers at the end of the chapters.  

o Homework problems

o More challenging problems covered in the lecture and in the TA sessions

o Model reflections

2. “iq-library” link on our homepage: We suggest you look at those qualitative questions in this library for additional insights. Inquiries related to these questions are welcome. Occasional clicker questions may be taken from this resource.

3. How to contact the instructor?

o See me after the class outside of the lecture hall

o Make appointment to see me immediately after the class

o Hereafter my Monday office hours will be canceled. I will continue to have my WF 3-4 office hours. Please let me know ahead of time if you want to see me during my office hour.