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Unit 2, Day 18

Unit 2, Day 18. Agenda. Announcements Equation Compilation Variables and Units (Review) Challenge Problems Challenge Problem A Review Break Challenge Problem B Review (Whiteboards) Break Whiteboards (Force Addition, Newton’s 3 rd Law). Announcements. Beach Clean

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Unit 2, Day 18

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  1. Unit 2, Day 18

  2. Agenda • Announcements • Equation Compilation • Variables and Units (Review) • Challenge Problems • Challenge Problem A Review • Break • Challenge Problem B Review (Whiteboards) • Break • Whiteboards (Force Addition, Newton’s 3rd Law)

  3. Announcements • Beach Clean • “The ocean is art, so why make it smell like fart?” • November 11th • Playa Del Rey Beach • 10am-12pm • Service Hours and a Good Cause • Email Bri Harris at makewavesnotwaste@gmail.com • If you were absent Tuesday, I need your booklet/placard

  4. Name: _______________________ Kinematic and Force Equations

  5. Variables and Units

  6. Challenge Problems • Each person at your table has a DIFFERENT PROBLEM • You are only allowed to consult table members • Table members will NOT do the work for you! • You may NOT use notes • These will be turned in to Mrs. Larkin for an HOM grade • Preparation for our exam  • Thursday 11/14 (even classes) • Friday 11/15 (odd classes)

  7. Whiteboards • 60 seconds to choose a school appropriate name • Don’t shout out answers • Lift boards up after 5-4-3-2-1-0 • If every group gets it, no points added

  8. Challenge Problem Form A • A 45 kilogram child on a skateboard starting at rest experiences a force of 65 Newtonsto push them forwards. After 13 seconds, what is the child’s displacement?

  9. Switch!

  10. Challenge Problem Form A • A 45 kilogram child on a skateboard starting at rest experiences a force of 65 Newtonsto push them forwards. After 13 seconds, what is the child’s displacement? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  11. Switch!

  12. Challenge Problem Form A • A 45 kilogram child on a skateboard starting at rest experiences a force of 65 Newtonsto push them forwards. After 13 seconds, what is the child’s displacement? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  13. Switch!

  14. Challenge Problem Form A • A 45 kilogram child on a skateboard starting at rest experiences a force of 65 Newtonsto push them forwards. After 13 seconds, what is the child’s displacement? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  15. Switch!

  16. Challenge Problem Form A • A 45 kilogram child on a skateboard starting at rest experiences a force of 65 Newtonsto push them forwards. After 13 seconds, what is the child’s displacement? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  17. Break • 3.5 minute break

  18. Challenge Problem Form B • A child on a skateboard starting at rest experiences a force of 62 Newtonsto push them forwards. When the child has travelled 15 meters, they are at a velocity of 6 m/s. What mass must the child have been?

  19. Switch!

  20. Challenge Problem Form B • A child on a skateboard starting at rest experiences a force of 62 Newtonsto push them forwards. When the child has travelled 15 meters, they are at a velocity of 6 m/s. What mass must the child have been? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  21. Switch!

  22. Challenge Problem Form B • A child on a skateboard starting at rest experiences a force of 62 Newtonsto push them forwards. When the child has travelled 15 meters, they are at a velocity of 6 m/s. What mass must the child have been? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  23. Switch!

  24. Challenge Problem Form B • A child on a skateboard starting at rest experiences a force of 62 Newtonsto push them forwards. When the child has travelled 15 meters, they are at a velocity of 6 m/s. What mass must the child have been? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  25. Switch!

  26. Challenge Problem Form B • A child on a skateboard starting at rest experiences a force of 62 Newtonsto push them forwards. When the child has travelled 15 meters, they are at a velocity of 6 m/s. What mass must the child have been? Plug in the variables into the equation you chose and solve for the missing variable. Show work in this box.

  27. Break • 3.5 minute break

  28. Whiteboards • A 13-Newton force is pushing to the right and a 19-N force is pushing to the left. • In which direction does the box move? • With what force does the box move in that direction? • What force (amount and direction) would you need to add to keep the box still?

  29. Switch!

  30. Whiteboards • A student holds a book at rest in an outstretched hand. The force exerted on the book by the student is equal to the book’s • Mass • Weight • Acceleration • Velocity

  31. Switch!

  32. Whiteboards • In which direction will this block move? • What is the force that the block will move with? • What is the block’s acceleration?

  33. Switch!

  34. Whiteboards • A soccer player kicks a 0.5 kg stationary ball with a force of 45-Newtons. What is the force on the player’s foot?

  35. Switch!

  36. Whiteboards • A person is standing on a bathroom scale. They then jump upwards. At the instant the student pushes off, what happens to what the scale says about the weight?

  37. Homework • Unit 2 Exam • Thursday 11/14 (even periods) • Friday 11/15 (odd periods) • If you want to review these problems, the solutions will posted on my YouTube at 4PM.

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