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Explain how machines make work

  1. Guiding Questions1. What are compound machines? How do they make work easier? 2. How does a zipper work? 3. Which simple
  2. Why can a machine not achieve 100% efficiency in the real world?Responses 1) Machines make the work it takes to do a job harder.
  3. Why can a machine not achieve 100% efficiency in the real world?Machines make the work it takes to do a job harder. Machines
  4. why can a machine not achieve 100% efficiency in the real world?the distance over which a small amount of energy is applied
  5. Why can a machine not achieve 100% efficiency in the real world?(1 point)Responses Machines make the work it takes to do a job
  6. Which of the following statement is NOT true about machines?a Machines decrease the amount of work that is done. b Machines
  7. Which of the following statement is NOT true about machines?a Machines change the size of a force needed to do the work. b
  8. Which of the following statement is NOT true about machines?a Machines change the way work is done. b Machines decrease the
  9. Which of the following statement is NOT true about machines?a Machines change the size of a force needed to do the work. b
  10. Which elements (things you saw, heard, or could imply) of the video do you think are related to Unit 2: Work, Power, Simple