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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:    Complete Lab NFA2 Minds On Physics: Vectors and Projectiles: Ass't VP6 WebAssign: Relative Velocity 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: Comment on Lab NFA2; finish upPhysics Interactive: Projectile Simulator 1Projectile Motion - XY Table; Practice/discussion/demos (Q#9, #10, #6-#8, #5, #1-#4 of Packet) Lab NFA3: Basketball Analysis Homework:    Minds On Physics: Vectors and Projectiles: Ass'ts VP6-VP10Complete LabworkRead 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#17Angle-Launched Problem-Solving: p. 8, Q#23-24 Homework:    WebAssign: Projectiles 1 (Mostly Horizontally Launched) Minds On Physics: Vectors and Projectiles: Ass'ts VP6-VP10 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:    WebAssign: Projectiles 2 (Angle Launched) 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 AnalysisCollect Lab Notebooks Quiz: Relative Velocity and Projectiles Homework:    WebAssign: Friction 1 BBB 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 KeyMore 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 AnalysisTwo Body Analysis Complete Lab NFA9: Science Friction Homework:    WebAssign: Two Bodies 1 Make-up QuizInternet ProblemsMinds 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 QuizInternet ProblemsMinds 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 LabWork Time Homework:    Make-up QuizInternet ProblemsMinds On Physics Helpful Links:

 Day Friday, November 20 10 Focus Question(s): What did you learn this unit? Activities: Unit 4 Opening ActivityUnit 3 Test Homework:    To Be Announced Helpful Links:    Too Late for That

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