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Unit 3: Net Force Applications



Day
Monday, October 26
1
Focus Question(s):
  • How are river width, boat speed, river speed, crossing time, and downstream distance related for a river boat problem?
  • What is a projectile?
  • What is the mathematical relationship between the horizontal displacement (d) and the original speed (vo) of a ball rolling off a desk?

Activities:
  • Return tests; do a look-at-it (not a go-over-it)
  • Review Lab NFA1 (River Boat); demonstration with tractor and butcher paper; discuss principle
  • Riverboat Calculations (a vector application)
  • Projectile Motion (def'n, free-body diagram, etc.)
  • Lab NFA2: Launcher Speed

Homework:   


Help:





Day
Wednesday, October 28
2
Focus Question(s):
  • How can the motion of a projectile be described with words, data tables, graphs and vector diagrams?
  • What hits the ground first? A dropped ball or a horizontally-launched ball?

Activities:

Homework:   
  • Minds On Physics: Vectors and Projectiles: Ass'ts VP6-VP10
  • Complete Labwork
  • Read Textbook (Chapter 6.3, pp. 184 - 189)


Helpful Links:   





Day
Friday, October 30
3
Focus Question(s):
  • How can kinematic equations and vector principles be used to determine the time of flight, the range, and the maximum height?

Activities:
  • Projectile Motion Mathematics: Q#12 - #14 on p. 4
  • Lab NFA4: Launcher Speed
  • Do p. 3, Q#11 and p. 5, Q#15-Q#17
  • Angle-Launched Problem-Solving: p. 8, Q#23-24


Homework:   


Helpful Links:   






Day
Tuesday, November 3
4
Focus Question(s):
  • How can kinematic equations and vector principles be used to analyze physical situations involving projectiles?

Activities:
  • Angle-Launched Problem-Solving: Review using Q#26 on p. 9; then do Q#27, #28, #30
  • Demo: Truck and Ball; look at p. 6
  • Lab NFA5 Maximum Range Lab
  • More Problem-Solving: pp. 10-11, Q#29, #31


Homework:   


Helpful Links:   





Day
Thursday, November 5
5
Focus Question(s):
  • What factors affect the force of friction experienced by objects?
  • How does friction mathematically affect the acceleration of objects?

Activities:
  • Discuss friction and the coefficient of friction.
  • Lab NFA8:  Friction Lab
  • Friction Analysis
  • Collect Lab Notebooks
  • Quiz: Relative Velocity and Projectiles

Homework:   


Helpful Links:   






Day
Monday, November 9
6

>> Monday, November 9 <<

Focus Question(s):
  • What factors affect the force of friction experienced by objects?
  • How does friction mathematically affect the acceleration of objects?
  • How is the coefficient of friction related to the threshhold angle (for an incline) at which acceleration takes place?

Activities:
  • Return Quiz with Key
  • More Friction Problems (mostly inclined planes)
  • Lab NFA9: Science Friction
  • Start Two-Body Problem


Homework:   
  • WebAssign: Friction 2
  • MOP,  Forces in 2Dim Module, Ass'ts F2D5 and F2D6


Helpful Links:   






Day
Thursday, November 12
7
Focus Question(s):
  • How can situations involving two objects be analyzed?

Activities:
  • Inclined Plane Analysis
  • Two Body Analysis
  • Complete Lab NFA9: Science Friction


Homework:   
  • WebAssign: Two Bodies 1
  • Make-up Quiz
  • Internet Problems
  • Minds On Physics


Helpful Links:   






Day
Monday, November 16
8
Focus Question(s):
  • How can situations involving two objects be analyzed?

Activities:
  • Two Body Analysis
  • Lab NFA10: Two Body Lab


Homework:   
  • WebAssign: Two Bodies 2
  • Make-up Quiz
  • Internet Problems
  • Minds On Physics


Helpful Links:   






Day
Wednesday, November 18
9
Focus Question(s):
  • How can situations involving two objects be analyzed?

Activities:
  • Two Body Analysis
  • Lab NFA10: Two Body Lab
  • Work Time


Homework:   
  • Make-up Quiz
  • Internet Problems
  • Minds On Physics


Helpful Links:   





Day
Friday, November 20
10
Focus Question(s):
  • What did you learn this unit?

Activities:
  • Unit 4 Opening Activity
  • Unit 3 Test


Homework:   
  • To Be Announced


Helpful Links:   
  • Too Late for That







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