1. On a merry-go-round, where would you experience a greater linear speed – the inside position or the outside position (close to the edge)?
  2. On a merry-go-round, where would you experience a greater angular speed – the inside position or the outside position (close to the edge)?
  3. Name 5 examples of what rotational speed could be measured in.
  4. Name 5 examples of what linear speed could be measured in.
  5. Which direction does the centripetal force act in? Is this sometimes true or always true?
  6. If you whirl a tin can around on the end of a string, what causes the centripetal force? If there is a ladybug inside, what causes the centripetal force on the ladybug?
  7. If a tin can suddenly breaks off the string, describe how the tin can will move.
  8. If a car travels around a curve at constant speed, is it accelerating? If so, which direction?  If not, explain why not.
  9. Is the North/South pole an internal axis for the Earth or an external axis? Is this rotation or revolution?
  10. Is the Sun an internal axis for the Earth or an external axis? Is this rotation or revolution?
  11. Is centripetal force directly related to mass, radius, or speed? (Are there multiple answers?)
  12. How fast in rotations per second is a hockey puck traveling at 26 m/s and with a radius of 0.035 meters?
  13. When a skater goes through a loop-de-loop, what forces act as centripetal force? Does this change while they travel through the loop?
  14. What would be the centripetal acceleration of a car traveling at 20 m/s around a curve of 30 meters?
  15. What would be the mass of an object traveling at 22.5 m/s around a curve of 24 meters, experiencing a force of 100 N?
  16. What would be the centripetal force on a can of mass 1.5 kg traveling in a curve of 2 meters at 8 m/s?
  17. What would be the centripetal force on a cup of water traveling at 15 m/s around a curve of 0.7 meters, and a speed of 4 m/s?
  18. How large of a curve would you be traveling around, if your mass was 60 kg, you experienced a force of 580 N, and your velocity was 18 m/s?
  19. What would be the centripetal acceleration of a bird traveling at 12.2 m/s around a curve of 5 meters?
  20. How fast in rotations per second is a tennis ball traveling at 18 m/s and with a radius of 0.04 meters?
  21. What would be the mass of an object traveling at 37.5 m/s around a curve of 32 meters, experiencing a force of 80 N?
  22. How large of a curve would a biker be traveling around, their combined mass was 800 kg and they experienced a force of about 11,000 N while traveling at 15 m/s?
  23. What’s the angular speed of something that rotates 3 times around in 2 seconds?
  24. What would be two examples of a revolution?
  25. What would be two examples of a rotation?
  26. Why does it feel like you’re being pushed to the outside of a car when your car goes around a curve?
  27. If a spinning top was spinning with a centripetal force of 10 N, and its mass were suddenly doubled (but all other factors were kept the same: same speed, same radius) what would happen to the centripetal force?
  28. When people say something had centrifugal force, they are really talking about what Physics property?
  29. What’s the angular speed of something that rotates 30 times around in 8 minutes?
  30. What’s the angular speed of something that revolves 96 times around in 14 seconds?