## GBS Physics Resources

The Physics Classroom

# Henderson's Physics 163

### Wednesday, September 26

Lesson Plan:

Figure 4-1 (p. 88) and Figure 4-2 (p. 89) - force as an interaction between an object and the external world; agent-system interaction; contact vs. field forces (p. 88)many examples of free-body diagrams(p. 89)

What Do Forces Do? Demonstration Lab - use of fan carts to illustrate the effect of balanced and unbalanced forces upon an object's motion.

Homework:

Suggestions:

Read your textbook (or something, even if it is The Physics Classroom); take some notes in your course notebook and begin to work at developing an understanding of the relationship between force and motion.

Announcements/Important Info:

Bring your book and a calculator to class everyday.

WebAssign - Ch4s1A is due on Friday, September 28 at 8 AM.

### Thursday, September 27

Lesson Plan:

Discuss/review free-body diagrams (p. 89); discuss Table 4-2 on page 94 - Types of forces

Lab - Force, mass and acceleration; collect data, graph, determine slope and pool class data for varying mass carts

Homework:

WebAssign - Ch4s1A homework

Suggestions:

Print a copy of all WebAssign homework; it can be used in class, used to do the homework and used as a study tool.

Announcements/Important Info:

WebAssign - Ch4s1A is due on Friday, September 28 at 8 AM.

### Friday, September 28

Lesson Plan:

Opening Question - p. 95, #11, 13 (free-body diagrams)

Discuss combining forces to determine Fnet; examples; discuss mass; discuss Newton's second law of motion; practice with p. 93, #6-8 and p. 863, #4-6

Galileo for a Day Lab

Homework:

WebAssign - Ch4s1B homework

Suggestions:

Use your textbook as a help as you work on WebAssign homework.

Announcements/Important Info:

WebAssign - Ch4s1B is due on Monday, October 1 at 8 AM.

### Monday, October 1

Lesson Plan:

Opening Question - True or False: motion at a constant speed requires a constant force.

Conceptions of Force and Motion survey; discuss Newton's first law and common misconceptions - persistence of force; forces to sustain motion, etc.; discuss the law of inertia and its radical departure from common thinking; inertia demos

Using Newton's Second Law to analyze physical situations - Handout

Homework:

WebAssign - Ch4s1C homework

Suggestions:

Read The Big Misconception at The Physics Classroom.

Announcements/Important Info:

WebAssign - Ch4s1C is due on Tuesday, October 2 at 8 AM.

### Tuesday, October 2

Lesson Plan:

Opening Question - review inertia and the law of inertia

Forces demo (p. 95 of teacher's textbook)

Lab - Mass and Weight - determine the mathematical equation between mass and weight; intro with an introduction to scales and equilibrium concept

Discuss mass, weight, scales, force of gravity; p. 97, #18

Discuss weight, apparent weight and weightlessness; demos; p. 98 Book Look!

Homework:

WebAssign - Ch4s2A homework

Suggestions:

Read The Big Misconception at The Physics Classroom

Announcements/Important Info:

WebAssign - Ch4s2A is due on Thursday, October 4 at 8 AM.

### Wednesday, October 3

Lesson Plan:

Opening Question - review weightlessness

Lab - Coffee Filter Skydiver

Discuss drag force and terminal velocity; pp. 100-101 Book Look; practice sheet on air drag and skydiving

Weight and scale readings practice; p. 100, #19 and #20

Homework:

WebAssign - Ch4s2A homework

WebAssign - Ch4s2B homework

Suggestions:

Read The Big Misconception at The Physics Classroom

Announcements/Important Info:

WebAssign - Ch4s2A is due on Thursday, October 4 at 8 AM.

WebAssign - Ch4s2B is due on Friday, October 5 at 8 AM.

### Thursday, October 4

Lesson Plan:

Opening Question - calculate the acceleration of a skydiver if given mass and drag force

Discuss Newton's Third Law; demos; identifying action-reaction force pairs (p. 104, #28-31)

Computer time

Homework:

WebAssign - Ch4s2B homework

WebAssign - Ch4s3A homework

Suggestions:

Read Identifying Action and Reaction Force Pairs at The Physics Classroom.

Use your WebAssign assignments to prepare for tomorrow's quiz.

Announcements/Important Info:

WebAssign - Ch4s3A is due on Monday, October 8 at 8 AM.

### Friday, October 5

Lesson Plan:

Opening Question - Newton's 3rd law

More F-m-a practice

Discuss tension and normal force

Quiz on Chapter 4

Homework:

WebAssign - Ch4s3A

Suggestions:

Bring a calculator everyday!

Announcements/Important Info:

WebAssign - Ch4s3A is due on Monday, October 8 at 8 AM.

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