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Unit 5: Work and Energy



Day
Wednesday, January 6
Day 0 of U5
(last day of U4)
Focus Question(s):
  • What affect does the angle of incline have upon the release location that is required to push an object a fixed distance?
  • Did you learn anything this past unit?

Activities:
  • Lab Test: Push the Plow
  • Unit 4 Test


Homework:   
  • None ... or ...
  • Read from the Helpful Links section


Helpful Links:   




Day
Friday, January 8
1
Focus Question(s):
  • What are the various forms of energy and what variables affect them?
  • What is work and how is it related to the energy of an object?

Activities:
  • Discuss Final Exam
  • Comment on Unit 4 Exam
  • Discuss Mechanical Energy, Kinetic Energy, Potential Energy; concept, variables, and equations; relate to Push the Plow Lab
  • Think Sheet: Energy
  • Introduce Work Concept and Mathematics; begin Work
  • Lab E2: It's All Uphill
  • Pass out and look at Unit 4 Exam


Homework:   
  • Download MOP the App; begin work on WE1 - WE6
  • Read Read 9.1 (pp. 252-259) or The Physics Classroom equivalents


Helpful Links:   






Day
Tuesday, January 12
2
Focus Question(s):
  • How does one calculate work for an individual force and net work for a collection of forces?
  • What does work do to an object under a collection of conditions?

Activities:
  • Review Work (+ vs. -, mathematics); complete Think Sheet (Q#4-Q#7)
  • What Does Work Do?
    == Complete Lab E2
    == Develop the equation W = ∆PE for vertical motion at constant speed
    == Develop the equation W = ∆KE for horizontal motion
  • Do Lab E4 Energy on an Incline
  • Develop KEi + PEi + Wnc = KEf + PEf from lab findings
  • Make meaning of above equation; do Work-Energy Relationships


Homework:   


Helpful Links:   







Day
Thursday, January 14
3
Focus Question(s):
  • What is the connection between the amount of work done and the energy of an object?
  • How can work-energy bar charts be used to describe the work-energy connection?

Activities:

Homework:   
  • Prepare for Final Exam


Helpful Links:   







FINAL EXAM WEEK - No Classes




Day
Tuesday, January 26
4
Focus Question(s):
  • How can the work-energy relationship be used to analyze a motion and determine answers to how fast?, how far?, and how high?-styled questons?
  • How can the work-energy relationship be used to analyze a roller coaster design?

Activities:
  • Comments on Test
  • Review Work-Energy Relationship
  • Energy Analysis - Diagrams
  • Energy Analysis - Word Problems
  • Roller Coaster Mania
    == Introduce Project, Deadlines, WebAssign, etc.
    == Brainstorm Designs
    == Energy Analysis


Homework:   


Helpful Links:   






Day
Thursday, January 28
5
Focus Question(s):
  • How can the work-energy relationship be used to analyze a motion and determine answers to how fast?, how far?, and how high?-styled questions?
  • How can Newton's Laws and work and energy be combined to analyze the motion of a roller coaster car?

Activities:
  • Warm-up: Energy Concepts, Q#3, #6, #8
  • Work-Energy Calculations: Q#3, #6, #7, #4, #11
  • Discuss Roller Coaster Project
    Finish Energy Analysis
    Start Newton's Laws Analysis

Homework:   


Helpful Links:   





Day
Monday, February 1
6
Focus Question(s):
  • What is elastic potential energy and how does it fit into the work-energy analysis?
  • How can the work-energy relationship be used to analyze a motion and determine answers to how fast?, how far?, and how high?-styled questons?
  • How can Newton's Laws and work and energy be combined to analyze the motion of a roller coaster car?

Activities:
  • Work-Energy Calculations: Q#4, #14, #15
  • Discuss Elastic Potential Energy: Q#1, 2
  • Lab E5: Spring Lab - Collect Data
  • Quiz

Homework:   


Helpful Links:   





Day
Wednesday, February 3
7
Focus Question(s):
  • What is elastic potential energy and how does it fit into the work-energy analysis?
  • How can the work-energy relationship be used to analyze a motion and determine answers to how fast?, how far?, and how high?-styled questons?
  • How can Newton's Laws and work and energy be combined to analyze the motion of a roller coaster car?

Activities:
  • Return Quiz with Answer Key
  • Work-Energy Calculations: Q#12, #16
  • Discuss Elastic Potential Energy: Q#3, 4
  • Lab E5: Spring Lab: Analyze Data and Complete
  • Work Time: Roller Coaster Project, MOPs, Makeup Quiz, Internet Problem Set, Lab Work


Homework:   


Helpful Links:   





Day
Friday, February 5
8
Focus Question(s):
  • What is elastic potential energy and how does it fit into the work-energy analysis?
  • How can the work-energy relationship be used to analyze a motion and determine answers to how fast?, how far?, and how high?-styled questons?
  • How can Newton's Laws and work and energy be combined to analyze the motion of a roller coaster car?

Activities:
  • Final comments, practice, etc.
  • Lab E6: Stopping Distance
  • Work Time: Work Time: Roller Coaster Project, MOPs, Makeup Quiz, Internet Problem Set, Lab Work


Homework:   


Helpful Links:   







Day
Tuesday, February 9
9

(Day 0 of U6)
Focus Question(s):
  • To be decided.


Activities:
  • Start Momentum Unit
  • Unit 5 Test (50 minutes)


Homework:   
  • To be announced.


Helpful Links:   
  • To be announced.











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