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  • The pulley's job is to lift heavy loads if we can't lift them. The pulley works by taking two wheels and a rope. The force and load in different directions. We use this machine when we use the elevator.
  • So..which way do the force and load go on a pulley? Felicia?
  • OH. Me Felicia? They go different direction.
  • Yes. We use them in or daily lives. Like in our shower the faucet is a screw.
  • So.. the job of screw is to hold things together. Right?
  • It works by having an inclined plane wrapped around a cylinder.
  • I know that the force and load go in the same direction.
  • RIght. So..
  • A lever helps you lift something if its too heavy. A bar that rotates around a fixed point called a fulcrum. We use them in our daily lives. like tweezers and tongs.
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