Sunday, February 28, 2016

February 29, 2016

Objective: Conclude forces in rolling.  Calculate torque with the vector cross product.

Activities
  • Questions on LON-CAPA 11A (max 20 minutes)
  • Science classroom visits to promote Computer Science next year
  • Check AP Rolling WS
  • 11-6: Torque and the cross product
  • Practice computing the cross product
After school: I will be here for retakes or questions on LON-CAPA 11A

Homework:  LON-CAPA 11A due tonight

Tuesday, February 23, 2016

February 24, 2016

Objective: Forces of Rolling

Activities
  • Which will roll faster down a ramp, a can of chicken soup or a can of re-fried beans? 
  • Quick review of 11.2 & 11.3: Motion and energy of rolling 
  • Practice for 11.3: Rolling WS # 4 
  • Lecture 11.4: Forces in Rolling 

Homework:
  • LON-CAPA 11A: Ball Down an Incline, Sliding Down a Track, Mass Pulling a Pulley
  • Due Friday: Complete relearn problems for E.2.A Torque, E.2.c-e Rotational Inertia, and E.3.c Rotational Dynamics if not yet mastered. Due Friday at start of class.
  • Friday: Retest for the above objectives in class.  Must have relearn problems completed to receive objective credit.

February 23, 2016

Objective: Kinematics and kinetic energy of rolling without slipping

Activities
  • Demo: Steel ball on a loop-the-loop apparatus.  What is the lowest starting height that will allow it to make it around the loop? Starting prediction and test.
  • Kinematics of rolling
  • Kinetic energy of rolling
  • Revised prediction and test.
  • Demo: hoop vs. disk race
Homework: Which will roll faster down a ramp, a can of chicken soup or a can of re-fried beans? Be prepared to make a prediction with a reason tomorrow morning.

Wednesday, February 10, 2016

February 11, 2016

Test corrections for Test 10
Unwinding the Wheel practicum
AP Rotation problem 5

February 10, 2016

Whiteboard AP Rotation problems
Work on LON-CAPA 10B (due tonight)

Tuesday, February 9, 2016

February 9, 2016

Objective: Solve complex problems using Newton's 2nd Law for rotation

Activities
  • WS: AP Rotation 
Homework:  LON-CAPA 10B

Sunday, February 7, 2016

February 8, 2016

Objective: Solve complex problems using Newton's 2nd Law for rotation

Activities
  • LON-CAPA 10-A questions
  • WS: AP Rotation 
Homework:  Start LON-CAPA 10B

Friday, February 5, 2016

February 5, 2016

Objectives:  Parallel axis theorem, torque, Newton's 2nd Law

Get Laptop cart 2N. Email Dr. Finnan to get from classroom 3rd hour.

Activities
  • Parallel axis theorem - explain & practice.  
  • Torque
  • Newton's 2nd Law for Rotation
  • Practice: LON-CAPA 
Homework:  Read and classify 10.7 - 10.9.  Finish LON-CAPA 10A. 

Thursday, February 4, 2016

February 4, 2016

Lecture 10.6 - Rotational kinetic energy
Lecture 10-7 - Rotational Inertia

Practice: p. 271 #79 (N35)

Homework: Start LON-CAPA 10A (due Sunday night)

Wednesday, February 3, 2016

February 3, 2016

Objective: Relate the linear and angular variables for a rotating object

Activities
  • Present problems #4 & 12 on N34
  • Checkpoint 2 on p. 248
  • Lecture:  10.3 - The right-hand rule for angular velocity vectors
  • Lecture:  10.5 - Relating the Linear and Angular Variables. N33.
  • Checkpoint 3 on p. 250
  • Practice: p. 267 #20, p. 268 #30 & 31 (N35).
Homework:  Read and classify section 10.5 & 10.6.  Finish problems 20, 30, & 31.

Monday, February 1, 2016

February 2, 2016

Objective: Describe the motion of a rotating solid body

Activities
  • New groups
  • Finish tests (1st hour) 
  • Lecture: 10.2 Rotational variables
  • HRW p. 266 #1, 2, 4 (do #4 on N34)
  • Lecture: 10.4 Rotation with Constant Angular Velocity
Homework: 
       Read and classify 10.2 - 10.4. 
       Finish HRW p. 266 #1, 2, 4, 12 (do #4 & #12 on N34)