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Understanding Hooke's Law and Force-Extension Relationship

Forces and motion • Forces and elasticity

Key concepts

What you'll likely be quizzed about

  • Hooke's Law states that the force exerted by a spring is directly proportional to the amount it is stretched or compressed.
  • This relationship can be expressed with the formula F = kx, where F is the force applied, k is the spring constant, and x is the extension of the spring.
  • This definition forms the basis for analyzing elastic materials.

Flashcards

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What is Hooke's Law?

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Hooke's Law states that the force exerted by a spring is directly proportional to its extension, expressed as F = kx.

Key notes

Important points to keep in mind

The force is proportional to extension.

Always identify the spring constant for calculations.

Beyond elastic limits, materials may not return to original form.

Hooke's Law is foundational in mechanics and material science.

Applications of Hooke's Law include springs and shock absorbers.

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