Elastic Potential Energy (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes

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Elastic Potential Energy
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What is elastic potential energy?

Energy stored in stretched/compressed objects

What is it called when we apply a force to change the length of a spring?

Doing work

What is the formula for elastic potential energy?

Ee=12×k×e2E_e = \frac{1}{2} \times k \times e^2

What is the unit of elastic potential energy?

Joules (J)

What is the unit of the spring constant kk?

N/m

What is represented on the Y-axis of the force-extension graph?

Force applied (N)

What type of relationship does the graph show until the limit of proportionality?

Linear

What is extension proportional to?

Force

What happens if too great a force is applied to a spring?

It won't return to original length

In the formula Ee=12×k×e2E_e = \frac{1}{2} \times k \times e^2, what does ee represent?

Extension in metres

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