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What direction does friction act?

What direction does friction act? . Opposite of motion . What type of force causes a change in motion? . Unbalanced Force. The force of gravity on a person or object on the surface of a planet is called. Weight. What equation best describes Newton’s second law of motion? . F=ma.

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What direction does friction act?

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  1. What direction does friction act?

  2. Opposite of motion

  3. What type of force causes a change in motion?

  4. Unbalanced Force

  5. The force of gravity on a person or object on the surface of a planet is called....

  6. Weight

  7. What equation best describes Newton’s second law of motion?

  8. F=ma

  9. A falling bowling ball accelerates from 5 m/s to 23 m/s in a time of 2 s. What is the bowling ball’s acceleration?

  10. 9 m/s2

  11. Energy and work are both measured in …..

  12. Joules (J)

  13. A ferris wheel turning at a constant rate is…

  14. Accelerating

  15. A straight horizontal line on a distance-time graph means what…

  16. Stopped – no movement

  17. When you are riding in a car and the car suddenly stops, you continue to move forward because of…

  18. Inertia

  19. Describe the energy transfer as a book is falling off a shelf.

  20. GPE gets smaller as KE gets larger

  21. What type of heat transfer occurs when you touch a hot stove?

  22. Conduction

  23. Sitting next to a hot fire is an example of what type of heat transfer?

  24. Radiation

  25. Distance between two crests or two troughs …

  26. Wavelength

  27. As the frequency of a wave increases, what happens to the wavelength?

  28. Decreases

  29. Sound travels as what type of wave?

  30. Longitudinal

  31. Water waves bending around a barrier of land is an example of what?

  32. Diffraction

  33. What three factors will increase the speed of sound?

  34. Stiffer medium Higher temperature Lower density

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