Buoyancy: Calculating Force and Density with Archimedes' Principle


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question 1 of 3

Which best describes the buoyant force?

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1. What is Archimedes' Principle?

2. If the weight of an object that is submerged in a fluid is 10 N and the buoyant force on it is 20 N, what will happen to the object?

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About This Quiz & Worksheet

Ensure that you understand what the buoyant force is, what Archimedes' Principle states and which equation relates to the Principle before you attempt this quiz. The questions will also ask you about floatation.

Quiz & Worksheet Goals

Challenge your knowledge of buoyancy with questions about the following:

  • How to describe the buoyant force
  • Archimedes' Principle
  • If a given object will sink or float, based on its weight and the buoyant force
  • The equation representing Archimedes' Principle
  • Why heavy objects can float

Skills Practiced

  • Defining key concepts - ensure that you can accurately define main terms, such as buoyant force
  • Reading comprehension - ensure that you draw the most important information from the related lesson on buoyancy and Archimedes' Principle
  • Interpreting information - verify that you can read information regarding how objects float and interpret it correctly
  • Knowledge application - use your knowledge to answer questions about the equation for Archimedes' Principle

Additional Learning

For a deeper look at buoyant force, review the corresponding lesson called Buoyancy: Calculating Force and Density with Archimedes' Principle. This lesson covers the following objectives:

  • Understand what 'submerged' means
  • Recognize that Archimedes' Principle applies to fluids, including water and air
  • Review why fish don't float or sink
  • Practice calculating Archimedes' Principle
  • Discuss the principle of floatation