Essay classroom observation

Robert is designing a demonstration to display at his school’s science fair. He will show how changing the position of a fulcrum on a lever changes the amount of force needed to lift an object. To do this, Robert will use a piece of wood for a lever and a block of wood to act as a fulcrum. He plans to move the fulcrum to different places on the lever to see how its placement affects the force needed to lift an object.

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Essay classroom observation

essay classroom observation

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