Force and extension (AQA GCSE Physics Combined Science): Quizzes

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Force and extension
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12 questions from this quiz

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What is elastic distortion in a spring?

Spring changes shape but returns to original

What does Hooke's Law state?

Force is proportional to extension

Which equation represents Hooke's Law?

F=keF = ke

What does the spring constant tell you?

How stiff a spring is

A spring with a higher spring constant is:

Stiffer and harder to stretch

What is extension?

Extra length when stretched

Which equation gives elastic potential energy?

Ep=12ke2E_p = \frac{1}{2}ke^2

What equals the elastic potential energy stored in a spring?

The work done stretching it

On a force-extension graph, what does the gradient equal?

Spring constant

What does the area under a force-extension graph show?

Energy stored in the spring

When the force-extension graph curves, what has been exceeded?

Limit of proportionality

What are the units of spring constant?

N/m

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