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What is a Machine?

What is a Machine?. Machine. Product. Materials. Object. Output. Input. What is a Machine?. Example - TV. Electricity. Picture. TV. Sound. Signal. Object. Output. Input. What is a Machine?. Simple Machine. Simple Machine. Force. Force. Object. Output. Input.

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What is a Machine?

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  1. What is a Machine? Machine Product Materials Object Output Input

  2. What is a Machine? Example - TV Electricity Picture TV Sound Signal Object Output Input

  3. What is a Machine? Simple Machine Simple Machine Force Force Object Output Input

  4. Forces What is a Force? Push or Pull What does it do? Causes Motion How do we describe it? Size (magnitude) Direction

  5. Why do we use simple machines? • To make life easier! • Simple Machines change forces: change the direction change the size change both

  6. What are the 6 simple machines? • Inclined Plane Wedge Screw • Lever • Wheel and Axle Pulley

  7. How do simple machines work? Conserve Energy Applied Resultant Force x Distance = Force x Distance force x Distance = Force x Distance

  8. Incline Plane Change Force Direction Change Force Size

  9. Wedge Change Force Direction Change Force Size

  10. Screw Change Force Direction Change Force Size

  11. Lever Change Force Direction Change Force Size Resulting Force X Distance = Applied Force X Distance

  12. Wheel and Axle Same Direction Change Force Size Resultant Force X Wheel Radius = Applied Force X Axle Radius

  13. Gears Change Force Direction Change Force Size

  14. Pulley Change Force Direction Same Force Size

  15. Scavenger HuntFind the Simple Machines

  16. In Your Classroom

  17. SRB’s Are Recovered after Splashdown

  18. Hubble!

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