Hookes Law

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Hookes law says that extension is proportional to force

  • The length of an unstretched metal wire is called its natural length.
  • if a metal wire is supported at the top and then a weight is attacted to the bottom, it stretches.

How investigate Hookes law

1) Set up the apparatus

2) Measure the length of the spring (e.g. with an accurate mm ruler) when no load is applied. This is the springs natural length

3) Add one mass at…

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