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Understanding Forces and Simple Machines: Making Life Easier

Explore the concepts of forces and simple machines and how they impact daily life. Learn about what forces are, how they cause motion, and how simple machines like levers, pulleys, and screws help us by changing force direction and size. Discover the seven types of simple machines in a hands-on scavenger hunt in your classroom!

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Understanding Forces and Simple Machines: Making Life Easier

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Presentation Transcript

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

  2. What are the 7 simple machines? • Lever • Inclined Plane Wedge Screw • Wheel and Axle Gear Pulley

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

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

  5. Incline Plane Change Force Direction Change Force Size

  6. Wedge Change Force Direction Change Force Size

  7. Screw Change Force Direction Change Force Size

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

  9. Gears Change Force Direction Change Force Size

  10. Pulley Change Force Direction Same Force Size

  11. Scavenger HuntFind the Simple Machines

  12. In Your Classroom

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