jessnstan jessnstan
  • 02-12-2018
  • Biology
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Real life example of block and tackle

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Nutmeg1024 Nutmeg1024
  • 02-12-2018

A group of people are building a house. They have a large package of building materials that needs to be moved. A block and tackle, a type of pulley, is used to pull the material up so it can be set in the back of a truck.

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