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Daily Agenda

Daily Agenda. Ms. DeSalvo December 10, 2013. CPS Bell Ringer: 12/10/13 Activity : Momentum. CPS (Per. 6&8) 12/10/13. Last Class Work & Energy Notes Homework. Today Momentum. Momentum in Everyday Life. What is 5 things you think about when you hear the word momentum ?.

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Daily Agenda

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  1. Daily Agenda Ms. DeSalvo December 10, 2013

  2. CPS Bell Ringer: 12/10/13Activity: Momentum

  3. CPS (Per. 6&8) 12/10/13 Last Class Work & Energy Notes Homework Today • Momentum

  4. Momentum in Everyday Life • What is 5 things you think about when you hear the word momentum?

  5. Momentum and Sports • "Going into the all-star break, the Chicago White Sox have the momentum." • "Chicago Bears Gaining Momentum." • “Figure skaters use their momentum to do jumps and spins.” • What do all these phrases have in common? • Objects in Motion!!!

  6. A team that has the momentum is onthe move and is going to take some effort to stop. Momentum: refers to the quantity of motion that an object has. An object in motion ("on the move") has momentum. Momentum in Sports ** Please write this slide in your notes.

  7. Would you rather…..? Be tackled by a large football player running really fast……… OR Be tackled by a small football player running really slow?

  8. Which is Harder to Stop: a heavy truck vs. a small car moving at the same speed? A massive truck rolling down a steep hill has a LARGE momentum.

  9. What is Momentum? • Momentum can be defined as MASS IN MOTION. • The amount of momentum which an object has is dependent upon two variables… • Mass • Velocity • In other words, how much stuff is moving and how fast the stuff is moving ** Please write this slide in your notes.

  10. How can you remember?

  11. What is Momentum? Momentum = mass ∙ velocity Velocity (m/s) • p = m ∙ v • p Momentum (kg ∙ m/s) Mass (kg) • m • v

  12. p = m ∙ v • If an object has a large mass and velocity, …….it will have a greater momentum. • If an object has a small m and v, …….it will have a smaller momentum. • Ex: Which player has more momentum? Large football player running fast vs. Small football player running slow ** Please write this slide in your notes.

  13. Example Problem • What is the momentum of a 60 kg halfback moving eastward at 9 m/s?

  14. What is the momentum of a parked airplane? • Anything at rest has a momentum of “0”. • Its “mass in NOT motion.”

  15. Demo:Basketball vs. Super BallObserve…..

  16. Momentum transfers!

  17. Transfer of Momentum • One object can transfer its momentum to another object when it comes into contact…. • “Aka” a Collision!!! ** Please write this slide in your notes.

  18. Momentum can transfer! What if 2 of the balls were lifted?

  19. Types of Collisions • 1) Elastic • Colliding objects bounce off each other • 2) Inelastic • Colliding objects stick to each other ** Please write this slide in your notes.

  20. Elastic Collision Elastic collision: colliding objects bounce off each other ** Please write this slide in your notes.

  21. Inelastic Collision Inelastic collision: colliding objects stick to each other ** Please write this slide in your notes.

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