Learning objective
Calculate force from spring constant and extension.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Questions
Topic
Forces and elasticity
Subtopic
Hooke's law and spring constant
Study support
Understand this objective
Quick explanation
Calculate force from spring constant and extension
- This point belongs to Forces and elasticity, especially Hooke's law and spring constant.
- You need to be able to calculate force from spring constant and extension.
- The key ideas to know are spring constant, extension, and force.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
Why it matters
This objective helps connect Hooke's law and spring constant to exam-style questions, flashcards, and revision notes for Forces and elasticity.
Quick student answer
How do you calculate force from spring constant and extension?
Direct answer
In Physics, this page helps you answer questions about force from spring constant and extension within Forces and elasticity. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are spring constant and elastic potential energy.
Key terms
- spring constant: A measure of the stiffness of a spring, defined as the force required to extend or compress the spring by a unit length.
- elastic potential energy: The energy stored in an elastic object when it is stretched or compressed, calculated using the spring constant and the extension.
Common trap
Common Mistake in Hooke's Law Calculations: Always ensure to clearly identify and label the spring constant (k) and the extension (e) before substituting them into the formula F = k x e.
Related questions
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Revision notestopic notes
Open the full topic revision notes when you are ready to review this objective in context.
Open revision notesRelated learning objectives
- Define elastic deformation as deformation that is reversed when the force is removed.
Stretching and deformation
- Define inelastic deformation as deformation that is not fully reversed when the force is removed.
Stretching and deformation
- Describe extension as the increase in length of an object when stretched.
Stretching and deformation
- Describe compression as deformation caused by squeezing forces.
Stretching and deformation
- Explain that a force can stretch, compress or bend an object.
Stretching and deformation