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Knex Lever And Pulleys

  code:KL227
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Explore the forces at work in a seesaw or a balance, and feel how pulleys make lifting loads easier with this fully supported set.

This set builds 8 different models, one at a time, and includes a Teacher's guide on CD.

This set covers the following concepts:

  • Identifying all three classes of lever and testing them to determine how they operate.
  • Identifying key parts of levers: effort arm, resistance arm, and fulcrum.
  • Comparing and contrasting how different levers function.
  • Discussing how levers change the direction and/or amount of force applied to work.
  • Identifying appropriate places where levers are used.
  • Identifying different types of pulley systems and testing them to determine how they operate.
  • Identifying key parts of a pulley system.
  • Comparing and contrasting how different pulley systems function.
  • Identifying appropriate places where different pulleys are used.
  • Discussing how pulleys change the direction and/or amount of force applied.


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