Unit 3 Overview - Newton's Law

Goals

1.  Draw Force Vectors.
2.  Calculate Weight.
3.  Solve Problems with Net Force.
4.  Know that when an object is at rest or moving with constant velocity that Fnet = 0 and all of the forces are balanced.
5.  Understand what terminal velocity is and how it is reached.
6.  Be able to explain why all objects in freefall have an acceleration of 9.8 m/s2
7.  Understand that forces are interactions between two things and that each object exerts an equal and opposite force on the other.
8.  Know Newton’s Three Laws of Motion by name.

In general, understand Newton’s 3 laws and apply them to explain motion.

 Lab Due Date: Oct. 27

 Homework due in the evening of Oct. 23, and Oct. 31

Test Date Nov. 2 

Answers to the Review Questions and even more practice with answers.

Vectors in 2 dimensions practice
answers are on the last page

Review Answers 2013

Vector Unit Overview

Unit Goals:
1. Know that perpendicular vectors are independent
2. Add vectors graphically with parallelogram and head to tail methods.
3. Use trig and Pythagorean theorem to find resultant.
4. Break vectors into perpendicular components graphically and with trig.
5. Solve motion problems in 2D.

Covers Sections 4.1, 4,2 and 7,2 or continue reading from the links on the physics tutorial website http://www.physicsclassroom.com/Class/vectors/


Homework Sun 10/1

                  Sun 10/8

Test Tuesday 10/10

No Lab Reports this Unit

Motion in 2 Dimensions Pre Reading and Questions

Please read the following two pages at the Physics Classroom Website.
http://www.physicsclassroom.com/class/vectors/Lesson-1/Vectors-and-Direction
and
http://www.physicsclassroom.com/class/vectors/Lesson-1/Vector-Addition

Then do the new short assignment at the university of Texas.
https://quest.cns.utexas.edu/
The assignment is due Sunday night.

Review answer key

There are actually two problems with this version of the key that I fixed for class.  Problem 1, the second point is 7s, 50m.  This makes the slope 5m/s.  In problem 6 on the first page the acceleration should be negative.  I fix this later in the solution.

Kinematics Review Key 2013

Lab 1. Galileo's Dilemma

Here is the link to the questions for the first lab.

Galileo's Dilemma

You will submit it using Google Classroom.  I will soon post details about how to do this

Let me know if you have questions.  The lab is due by class time on Wed. Sept. 7, or Thurs. Sept. 8.

Two Things to Set Up for Class

1.  Join our Google Classroom
For period 1, use the access code oacdbk
For period 2, use the access code ak9mhee

2.  Make an online homework account.
Please go to this link and start an online homework account. First Follow the link Log In to Quest in the upper right.  Then choose "I need a UT EID" below the red button. In the next windows and pages answer the questions to get an ID number from the University of Texas.  After you submit your information it will send your ID code to your email account. With this code you will will sign in to my class and start the first assignment. You may proceed to sign in now or bring your EID code and password on Friday/Monday.  In class we will log in, I will start accepting your enrollment and we will start the first assignment.

This is how to sign in:
Return to the link above and log in.
You will then need to select a class based on a unique number. For Physics the unique number is 272017. Enter the number and then select "look up course info". Scroll down by clicking the arrow on the window that appears through the many other classes designated with that unique number until you find Physics (Grant High school 2017 Fall). It will probably be the only one. Select it and then select request enrollment.

I will have to admit you into the class. The next time you log in, after I admit you, you will be able to use the "select course" and "select assignment" windows to start the Kinematics homework.