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Forces and Motion

Class Feud. Forces and Motion. Forces. Acceleration. Motion. Velocity. Velocity. Speed. Class Feud. Team 1. Team 2. CLASS FEUD. A force is a ________ or a ________. CLASS FEUD. A force is a ________ or a ________. Answer: A push or a pull. CLASS FEUD.

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Forces and Motion

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  1. ClassFeud Forces and Motion

  2. Forces Acceleration Motion Velocity Velocity Speed ClassFeud Team1 Team2

  3. CLASS FEUD A force is a ________ or a ________.

  4. CLASS FEUD A force is a ________ or a ________. Answer: A push or a pull.

  5. CLASS FEUD Balanced forces produce a net force of _________.

  6. CLASS FEUD Balanced forces produce a net force of _________. Answer: zero

  7. CLASS FEUD Rolling friction is usually A. less thanB. more thanC. equal tosliding friction.

  8. CLASS FEUD Rolling friction is usually A. less thanB. more thanC. equal tosliding friction. Answer: Less than

  9. CLASS FEUD Unbalanced forces are necessary to cause a change in __________.

  10. CLASS FEUD Unbalanced forces are necessary to cause a change in __________. Answer: motion

  11. CLASS FEUD You can run 100 meters in 10 seconds. What is your speed?

  12. CLASS FEUD You can run 100 meters in 10 seconds. What is your speed? Answer: 10 m/s

  13. CLASS FEUD An example of acceleration is: A. a hovering helicopterB. a car turning a cornerC. bicycling at 40 m/s

  14. CLASS FEUD An example of acceleration is: A. a hovering helicopterB. a car turning a cornerC. bicycling at 40 m/s Answer:A car turning a corner

  15. CLASS FEUD _________ friction includes both liquids and gases.

  16. CLASS FEUD _________ friction includes both liquids and gases. Answer: Fluid

  17. CLASS FEUD A student riding her bicycle on a straight, flat road covers one block every 7 seconds. If each block is 100 m long, she is traveling at _________ speed or velocity.

  18. CLASS FEUD A student riding her bicycle on a straight, flat road covers one block every 7 seconds. If each block is 100 m long, she is traveling at _________ speed or velocity. Answer: constant

  19. CLASS FEUD A force is expressed in ___________.

  20. CLASS FEUD A force is expressed in ___________. Answer: Newtons

  21. CLASS FEUD If a bus traveling 15 m/s south speeds up to 20 m/s, this is a change in __________.

  22. CLASS FEUD If a bus traveling 15 m/s south speeds up to 20 m/s, this is a change in __________. Answer: speed or velocity or acceleration

  23. CLASS FEUD Acceleration is the rate of change in ____________.

  24. CLASS FEUD Acceleration is the rate of change in ____________. Answer: velocity (also accept speed or direction)

  25. CLASS FEUD The distance divided by the time it took to travel that distance is an object’s _________.

  26. CLASS FEUD The distance divided by the time it took to travel that distance is an object’s _________. Answer: speed

  27. CLASS FEUD When you combine all forces acting on an object you get the ____________.

  28. CLASS FEUD When you combine all forces acting on an object you get the ____________. Answer: net force

  29. CLASS FEUD _________ is a force that opposes motion.

  30. CLASS FEUD _________ is a force that opposes motion. Answer: Friction

  31. CLASS FEUD What is the net force when you combine a force of 7 N north with a force of 2 N south?

  32. CLASS FEUD What is the net force when you combine a force of 7 N north with a force of 2 N south? Answer: 5N north

  33. CLASS FEUD Moving blades of a windmill or a pinwheel are example of ___________ acceleration.

  34. CLASS FEUD Moving blades of a windmill or a pinwheel are example of ___________ acceleration. Answer: centripetal

  35. CLASS FEUD Decreasing velocity can be referred to as:A. accelerationB. decelerationC. negative accelerationD. All of the above.

  36. CLASS FEUD Decreasing velocity can be referred to as:A. accelerationB. decelerationC. negative accelerationD. All of the above. Answer: D. all of the above

  37. CLASS FEUD Are the forces on a kicked soccer ball balanced or unbalanced? How do you know?

  38. CLASS FEUD Are the forces on a kicked soccer ball balanced or unbalanced? How do you know? Answer: Unbalanced because the ball changes speed and/or direction.

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