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NOTES PROCEDURE

Learn about the concepts of force, weight, and motion in this educational guide. Discover how forces affect objects and how to prevent injuries in sports. Explore Newton's laws and understand the relationship between mass and gravity. Suitable for all ages.

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NOTES PROCEDURE

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  1. NOTES PROCEDURE

  2. Do not copy what is up on the screen…think about your text language • I have tried to make the “notes material” red

  3. 10/8 forces notes

  4. what is a force?

  5. Force = a PUSH or PULL

  6. Force = a PUSH or PULL

  7. Force = a PUSH or PULL

  8. Force = a PUSH or PULL

  9. A system

  10. How are they being pulled? How hard are they pulled?

  11. Earth pulls on Moon… Moon also pulls on Earth

  12. what forces do you know about in science already...

  13. What is weight? Pumpkin weighs 2,096 pounds

  14. WEIGHT = how hard gravity pulls on an object

  15. How does a scale measure a person’s weight?

  16. what is mass?

  17. Mass = how many atoms you are made of

  18. How do we measure the number of atoms in something?(How do we measure the mass?)

  19. Which measurement depends on Earth?Which measurement is the same anywhere you travel?

  20. Moon Fail

  21. WHAT do you need to know about the situation so you can answer yesterday’s question:

  22. List on board

  23. f = ma How much force does it take to make a bird explode?

  24. f = ma forcemassacceleration

  25. f = ma forcemassacceleration

  26. What happens when two forces acting on each other are BALANCED?

  27. BALANCED forces = NO motion

  28. Examples of balanced forces visible in this classroom?...look for systems where there is no motion…

  29. What does it take to produce MOTION?

  30. UNBALANCED forces = motion

  31. BallBall 2ball 3

  32. How do Unbalanced forces in sports cause injuries?How can we prevent those injuries by understanding the forces involved?

  33. How do Unbalanced forces in sports cause injuries?How can we prevent those injuries by understanding the forces involved? REMEMBER: - KINETIC energy = speed / motion - F = m a

  34. How do Unbalanced forces in sports cause injuries?How can we prevent those injuries by understanding the forces involved? REMEMBER: - KINETIC energy = speed / motion - F = m a

  35. Newton’s 3rd Law

  36. 3rd Law Equal and Opposite Reactions

  37. What we learned last time: Gravity is dependant upon the mass of two objects and the distance between them. • If mass increases – Force of Gravity increases • If distance increases – Force of Gravity decreases. Jupiter has more mass than Earth; Therefore it has more gravity The satellite is farther from the center of Earth than we are; Therefore the planet is not pulling as hard on the satellite as the person standing on the surface!

  38. What is Weight? • Definition: Weight is a measurement of how strongly gravity pulls on a mass. • Weight is completely dependent on the amount of gravity there is. • It the result of the force of gravity!!! • Without gravity there is NO WEIGHT (the ultimate diet plan!!!)

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