Difference between revisions of "Normal (Physics)"
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===About the Normal=== | ===About the Normal=== | ||
| − | : A '''normal''' line is drawn on [[Ray Diagram|ray diagrams]] when a [[Light Ray|ray]] reaches the [[boundary]] between two [[Medium|media]]. | + | : A '''normal''' line is drawn on [[Ray Diagram|ray diagrams]] when a [[Light Ray|ray]] reaches the [[Interface|boundary]] between two [[Medium|media]]. |
: The [[Normal Contact Force|normal contact force]] is a [[force]] which always acts [[perpendicular]] to the boundary between two surfaces. | : The [[Normal Contact Force|normal contact force]] is a [[force]] which always acts [[perpendicular]] to the boundary between two surfaces. | ||
: [[Pressure]] is due to a [[force]] which is [[perpendicular]] to the surface of an [[object]]. | : [[Pressure]] is due to a [[force]] which is [[perpendicular]] to the surface of an [[object]]. | ||
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| + | ===References=== | ||
| + | ====AQA==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Normal (line), pages 202-3, 205, GCSE Physics; Student Book, Collins, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1471851370/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851370&linkCode=as2&tag=nrjc-21&linkId=01c69b0ae058f809cf636033e6ba793e ''Normal, page 189, GCSE Physics, Hodder, AQA ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/019835939X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=019835939X&linkCode=as2&tag=nrjc-21&linkId=57e96876985fc39b1a3d8a3e3dc238b6 ''Normal, pages 202-205, GCSE Physics; Third Edition, Oxford University Press, AQA ''] | ||
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| + | ====Edexcel==== | ||
| + | |||
| + | :[https://www.amazon.co.uk/gp/product/1292120193/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120193&linkCode=as2&tag=nrjc-21&linkId=572df39392fb4200db8391d98ae6314e ''Normal line, page 336, GCSE Combined Science, Pearson Edexcel ''] | ||
| + | :[https://www.amazon.co.uk/gp/product/1292120223/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1292120223&linkCode=as2&tag=nrjc-21&linkId=068ecf40278c32406a7f1c6e66751417 ''Normal line, page 54, GCSE Physics, Pearson Edexcel ''] | ||
| + | |||
| + | ====OCR==== | ||
| + | :[https://www.amazon.co.uk/gp/product/0198359837/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359837&linkCode=as2&tag=nrjc-21&linkId=3c4229e8b023b2b60768e7ea2307cc6f ''Normal (perpendicular), pages 1466, 160, Gateway GCSE Physics, Oxford, OCR ''] | ||
Latest revision as of 07:34, 15 December 2019
Contents
Key Stage 4
Meaning
Normal refers to any line or vector which is drawn perpendicular to a surface.
About the Normal
- A normal line is drawn on ray diagrams when a ray reaches the boundary between two media.
- The normal contact force is a force which always acts perpendicular to the boundary between two surfaces.
- Pressure is due to a force which is perpendicular to the surface of an object.
References
AQA
- Normal (line), pages 202-3, 205, GCSE Physics; Student Book, Collins, AQA
- Normal, page 189, GCSE Physics, Hodder, AQA
- Normal, pages 202-205, GCSE Physics; Third Edition, Oxford University Press, AQA
Edexcel
- Normal line, page 336, GCSE Combined Science, Pearson Edexcel
- Normal line, page 54, GCSE Physics, Pearson Edexcel