Category Archives: 2. Forces

Unit 2 Test Tomorrow

Test tomorrow! Study! For more study: Read Princeton Review chapter 3 (pages 37-56 — yes, all of it). Practice test with explanations: Princeton’s practice test on pages 52-55 Multiple choice: All of them (1-10) Free Response: All of them (1-4) You can check the answers … Continue reading

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Unit 2 Test Review

Announcements: Lab deadline extended to Monday! Pre-reading: Set a ten-minute timer and try the practice test I gave you to take home. Click here if you need a copy. Answers and Explanations (Video): For more study: Read Princeton Review chapter 3 (pages 37-56 … Continue reading

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Fall Break Assignment

You will turn in the test review packet on Tuesday.  It will be graded according to the AP rubric just like a quiz or test (but it will NOT be scaled).  The packet will count as 4 classwork grades. Review … Continue reading

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2.13 Atwood Machines

Textbook reading: Look very carefully at example 6-7 on pages 168-169. As part of tomorrow’s lab, you will have to do the same calculations the book does. Pre-reading question: Be sure to read over your lab guide (no pre-reading question in … Continue reading

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2.12 Newton’s 2nd Two Body Level 2

Pre-reading question: If two objects are connected by a string, are their accelerations the same? Explain. Textbook reading: Section 6-4, pages 165-169 do a great job explaining how to do the problems we’ll be working on tomorrow.  Example 6-6 on pages 167-168 … Continue reading

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Forces Quiz 2 Review

Some quick notes: •At this point, you absolutely must know –The three kinematic equations –Fnet = ma –Ff = mu*N (where mu is the coefficient of friction) •If you are not completely proficient with all three of these things, then … Continue reading

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Newton’s 2nd Law II

Pre-reading question: List the three kinematic equations. Videos: (You may want to read the post-reading question before watching) Example 1: Example 2: Post-reading question: Thinking about these videos, create a list of steps for solving Newton’s second law problems. Extra … Continue reading

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2.9 Newton’s 2nd Law I

Textbook Reading: Read the definition and formula for Newton’s 2nd Law on p.115.  If you don’t understand it at first, read the paragraphs around the definition (which is between 2 red lines) to help. Note, the book uses ΣF, where I use … Continue reading

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2.8 Forces on an Inclined Plane

Reminder: Your notes are now graded. Pre-reading question: Find the x and y components of the Normal Force in this diagram: (For some reason, friction in this digram is labeled “Fr.”) Video:  Post-reading question: Using the diagram in the pre-reading question, assume … Continue reading

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2.6 Forceboard Lab

Lab tomorrow! Lab Guide The questions on the reading quiz will come from the lab guide. Be sure you’ve read everything you need to do in the lab. Also, corrected classwork from last week is due tomorrow!

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