Tuesday, December 1, 2015

More Practice Problems for force Unit

Here are some additional problems from the book:
Ch 5  p101-107:  33, 35, 37, 39, 43, 49, 51, 57, 59, 63, 65
Ch6  p123-129:  7, 17, 35, 37, 43, 49, 55, 57, 61

Also Sample problem 6.8 on p 117

Also here are some FRQ from past years that might serve as good practice, though parts of them rely on energy concepts that we haven't learned yet.

They're from

http://apcentral.collegeboard.com/apc/members/exam/exam_information/8039.html

2015 #1
2014 #2  skip part 1
2013 #2
2008 #1
2006 #1 all but last part, and #2  all but last 2 parts
2003  #1 parts a, bii

Finally, here is a practice test with answers that looks good.
https://www.crashwhite.com/apphysics/materials/practicetests/practice_test-3-laws_of_motion-circular_motion.pdf

Wednesday, October 28, 2015

Unit Three - Forces

Major Topics

  • Newton's Laws
  • Weight vs. Mass vs. Inertia
  • N3L forces vs. Balanced Forces
  • Solving problems in 1 and 2 dimensions (inclined planes...)
  • Tension and Atwood Machines
  • Friction
  • Circular Motion and Centripetal Force
  • Springs in series and parallel (Hook's Law)
  • Velocity dependent forces (air resistance...)

Homework:  Three Large Assignments  Sunday 11/8, Sunday 11/15, and Sunday 11/29
Labs:  No major labs.  2 mini labs (Flying Pigs, Springs)
Test:  Probably Thursday 12/3


Monday, October 19, 2015

Review for test

Here are some questions from your physics book to think about if you want some more practice   The answers are in the back of the book.

p73-80

7, 15, 21, 29, 35, 43, 59, 63, 71, 77, 83

Remember the lab is also due on Monday the 26th.

Oh, and here is a link to a pretty good test (with answers at the end) written by a different teacher somewhere.

https://www.crashwhite.com/apphysics/materials/practicetests/practice_test-2-vectors-2d_motion.pdf

Friday, October 9, 2015

AP Lab Two

AP Lab 2 – Projectile Motion.
Your Task:

In this lab you will be determining the initial velocity of a projectile from its range as a function of its launch angle, and then analyzing the effects of air resistance. Roughly the steps will be as follows.

  1. Derive an equation for  R(θ, v)
  2. Find  a way to manipulate your axes so that a graph with axes based on θ and R should produce a linear graph, the slope of which will allow you to determine v0.
  3. Collect enough good data, that you can determine v0 within a tolerable range.
  4. Graph and analyze your data, looking for v0 and a description of the effects of air resistance.


As before copy the questions from the link below to your lab document and answer the questions.

https://docs.google.com/document/d/1JzXZZQAA-xAqU-zDM0WbjdqM6kjIlm_hUAkllqm9K-A/edit?usp=sharing

Thursday, September 24, 2015

Unit 2 - Motion in Two Dimensions

Motion in 2D - Chapters 3 and 4

Topics

  • Adding Vectors
  • Breaking Vectors in Components
  • Solving Kinematics Problems in 2D
  • Special emphasis on 
    • Projectiles
    • Circles and 
    • Describing motion from a moving frame of Reference


Homework due  9/30, 10/6 and 10/13

Unit Test 10/19

Lab due date TBD

Tuesday, September 22, 2015

Rheostat Lab

Introduction to vectors in two dimensions

Purpose:  Confirm that the head-to-tail and components methods of adding vectors are equivalent.



After you have completed your data collection and calculations, follow this link to the questions for minilabs.

https://docs.google.com/document/d/1yVSiC_mXguFtIBFf3f9qZG8buX92i011d1_tuNPzDiw/edit?usp=sharing

Paste the questions and answers into your lab document.  Be sure to name this lab in your lab document.

Wednesday, September 16, 2015

Suggested Review Problems from the Book

These are not required but if you would like more practice problems from the textbook, I recommend these.  The answers are in the back for odd problems.

Chapter 2

p. 28-35

13, 21, 27, 31, 61, 71, 79, 85, 89