Density and Buoyancy: Archimedes' Principle
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Questions and Answers

What is the magnitude of the buoyant force exerted on a body by a fluid?

  • The weight of the body
  • The weight of the fluid displaced by the body (correct)
  • The volume of the fluid displaced by the body
  • The density of the fluid

    • What is the primary cause of the buoyant force on an object?

  • The weight of the fluid
  • The difference in pressure between the top and bottom surfaces of the object (correct)
  • The difference in density between the object and the fluid
  • The volume of the object

    • What determines the direction of motion of an object submerged in a fluid?

  • The density of the fluid
  • The density of the object and the fluid (correct)
  • The shape of the object
  • The volume of the fluid displaced

    • What is the ratio of the volume of a floating object below the fluid surface to the total volume of the object?

    <p>The density of the object to the density of the fluid</p> Signup and view all the answers

    What is the weight of a pail of water with a piece of wood floating in it compared to a pail of water with no object?

    <p>The same as the pail of water with no object</p> Signup and view all the answers

    What happens to the volume of the fluid when an object is partially or completely immersed in it?

    <p>It increases</p> Signup and view all the answers

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