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🟢 8: F 11/13 - 📖 inclined plane problems
🟢 8: F 11/13 - 📖 inclined plane problems
Today, we'll apply what you've learned about inclined planes to problem solving.
Homework: 📖 Finish any inclined plane problems that you did not finish in class. Unit Assessment on Dynamics in Two Dimensions on Friday, November 20th!
Optional Extra Practice: Optionally try 📖 textbook Ch 5 - inclined plane problems: 24, 25, 28*, 30*, 65, 77, (* need to look at coefficient of friction table) and optionally for a challenge #MQ22, MC30, 63, 83 which require you to put multiple ideas together. If you are having any trouble, re-watch my Inclined Plane video. Do page 6 of the Newton's Second Law packet (skip 3c). You may check Solutions to Inclined Plane Problems, but try them on your own first!
🟩❗8: M 11/16 - friction & vector forces
🟩❗8: M 11/16 - friction & vector forces
Today, we'll look at one other kind of problem - we pull or push a block at an angle. We'll see that when we do this, the normal force is NOT equal to the force of gravity! We'll try to finish Friction & Vector Forces during class. Write one theoretical solution for #1-3 and another for #4-5. What I mean by theoretical solution is to find an expression for acceleration a in terms of given variables: mass m, force applied FA, coefficient of kinetic friction μk , and gravitation field constant g. Watch the video for assistance.
Then, we'll have some time to look at the friction and angled forces problems.
Homework: Finish Friction & Vector Forces (SOLUTIONS). Unit Assessment on Dynamics in Two Dimensions on Friday, November 20th!
💚 8: T 11/17 - dynamics in 2-D review
💚 8: T 11/17 - dynamics in 2-D review
Today, we'll prepare for the unit assessment next class by going back and finishing any assigned problems that you haven't gotten to yet. Additional textbook problems are available to anyone who has finished everything. Or do something creative like write problems for each other!
Some ideas for you:
Finish Friction & Vector Forces (SOLUTIONS)
friction problems
inclined plane problems from textbook
static equilibrium problems
Homework: Study for Unit Assessment on Dynamics in Two Dimensions on Friday, November 20th!
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