Daily applications of thermal expansion and

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Presentation transcript:

Daily applications of thermal expansion and contraction

1 Troubles with thermal expansion and contraction: Daily application of thermal expansion and contraction 1 Troubles with thermal expansion and contraction: Gaps allow for expansion in summer

Overhead cables are slack to allow for contraction in winter Daily application of thermal expansion and contraction Overhead cables are slack to allow for contraction in winter

2 Applications of thermal expansion and contraction: Daily application of thermal expansion and contraction 2 Applications of thermal expansion and contraction: Liquid-in-glass thermometer: mercury or alcohol expands as temperature rises

used in irons, ovens and fire alarms Daily application of thermal expansion and contraction Metal A Expand differently Metal B Thermostat used in irons, ovens and fire alarms

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