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Vocabulary

0. 0. Vocabulary. 0. Formulas. 0. Units. 0. Work and Power. 0. MA and ME. 0. Miscellaneous. Units. 0. Vocabulary. Formulas. Work and Power. MA and ME. Miscellaneous. $100. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $200. $300. $300. $300. $300.

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Vocabulary

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  1. 0

  2. 0 Vocabulary

  3. 0 Formulas

  4. 0 Units

  5. 0 Work and Power

  6. 0 MA and ME

  7. 0 Miscellaneous

  8. Units 0 Vocabulary Formulas Work and Power MA and ME Miscellaneous $100 $100 $100 $100 $100 $100 $200 $200 $200 $200 $200 $200 $300 $300 $300 $300 $300 $300 $400 $400 $400 $400 $400 $400 $500 $500 $500 $500 $500 $500

  9. 0 What occurs when a force causes an object to move in the same direction as the force?

  10. 0 Work

  11. What is the rate at which work is done?

  12. Power

  13. The amount of work you do on a machine is called:

  14. Work Input

  15. A machine that consists of more than one simple machine is called a:

  16. Compound Machine

  17. This is a comparison of a machine’s work output with the work input.

  18. Mechanical Efficiency

  19. F x d = ?

  20. Work

  21. The number of times a machine multiplies an effort force.

  22. Mechanical Advantage

  23. The fixed point on a lever is called?

  24. Fulcrum

  25. Weight is a measure of what force?

  26. Gravity

  27. An incline plane wrapped in a spiral around a cylindrical post is called a ____.

  28. Screw

  29. The unit for work is the:

  30. Joule (J)

  31. This type of pulley is attached to the object being moved.

  32. Movable Pulley

  33. The type of machine in which work input equals work output is a(n) ____ machine.

  34. Ideal

  35. What type of machine is shown here?

  36. Mechanical Efficiency (ME)

  37. What is the gear ratio?

  38. 30/60=1/2=0.5

  39. How much work is done lifting a 50 N object a distance of 4 meters? W = F x d

  40. 200 J

  41. A wheel with teeth along its circumference.

  42. Gear

  43. How much work is done by a student just holding a 3 N book over their head that is 2 m off the ground?

  44. 0 J

  45. A grooved wheel with a rope or chain running along the groove.

  46. Pulley

  47. A ____ machine does work with only one movement.

  48. Simple

  49. What can you reduce to increase mechanical efficiency?

  50. Friction

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