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🟢 8: M 10/27 - 📖✏️Newton's Second Law problems
🟢 8: M 10/27 - 📖✏️Newton's Second Law problems
Today, we'll spend the day doing problem solving.
Homework: Work on your problems. QUIZ on free body diagrams and basic Newton's 2nd Law next class - Tuesday, October 28th!
Optional Extra Practice:
📖textbook - chapter 4: #17, 24, 25, 34, 66. (optional: # 15, 19, 20, 22)
all of FYP: Newton's Laws of Motion (SOLUTIONS).
🟩❗8: T 10/28 - elevator intro
🟩❗8: T 10/28 - elevator intro
QUIZ on free body diagrams and basic Newton's 2nd Law TODAY!
Today, we'll learn about a class of problems called "elevator problems." You'll learn that a bathroom scale does not really measure your weight in all situations.
Then, do Elevator Problems #1-5. (skip #1b) (SOLUTIONS). Watch the following videos which may be useful in understanding elevator problems if you need clarification. These types of problems are easy to solve using the techniques that we've already been using including drawing free body diagrams and writing ΣF statements. Remember, a bathroom scale will read your "apparent weight" or the NORMAL force!
If we finish early, we'll start the problems from the next post.
Presentation: Elevator Problem
Homework: Work on OPTIONAL Elevator Problems #1-5. (skip #1b) (SOLUTIONS). Watch the videos below for more about elevators. Quiz on Newton's 2nd Law problems (including elevator problems) Monday, November 3rd! QUIZ CANCELED!
Optional Extra Practice: #1-13 only of FYP: Newton's Laws of Motion. SOLUTIONS.
💚 8: W 10/29 - 📖 gravity & vertical N2L problems
💚 8: W 10/29 - 📖 gravity & vertical N2L problems
TESTING DAY
T: 7:40-10:10 (2h30m)
2: 10:15-10:54 (39m)
3: 10:59-11:32 (33m)
4: 11:37-12:10 (33m)
L: 12:15-12:56 (33m)
6: 1:01-1:34 (33m)
7: 1:39-2:12 (33m)
8: 2:17-2:50 (33m)
Today, we'll practice with Newton's 2nd Law with the force of gravity and vertical Newton's 2nd Law by working through some problems.
If you need more to work on after today, do 📖 Mastering Physics problems from Chapter 5 in your textbook "Ch 5 - N2L 1-D basic problems": #6, 9, 11-13, 15, 19-23, 53, 55, 60, 64.
Homework: Finish the any of the above problems that you did not finish.
Optional Extra Practice: #1-13 only of FYP: Newton's Laws of Motion. SOLUTIONS.
Homework: Work on your practice problems. Quiz on Newton's 2nd Law problems (including elevator problems) Monday, November 3rd! QUIZ CANCELED!
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