12.2 – Verifying Hooke’s Law (Leaving Cert Physics): Quizzes

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12.2 – Verifying Hooke's Law
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What is the aim of this experiment?

To verify Hooke's law

What is the natural length of a spring?

Length with no external force

Which formula calculates extension?

s=l−l0s = l - l_0

What goes on the Y-axis of the graph?

Restoring force (F)

If Hooke's Law is valid, what does the graph show?

Straight line through origin

What does the slope of the F vs s graph represent?

Spring constant (k)

What is the formula for Hooke's Law?

F=ksF = ks

If you double the force, what happens to extension?

Doubles

When does Hooke's Law apply?

Within elastic limit only

How do you avoid parallax error?

Read metre stick at eye level

What does the restoring force equal?

Weight of the masses

What does a steeper slope on the graph indicate?

Stiffer spring

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