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==Key Stage 4==
===Meaning===
A '''free body diagram''' is a type of [[diagram]] which shows how all the [[force]]s affect affecting an [[object]] using arrows to represent the [[force]] [[vector]]s.
===About Free Body Diagram===
: '''Free body diagrams''' show the different [[force]]s acting on an [[object]].
: The [[force]]s are represented by arrows that indication the [[magnitude]] of the [[force]] with by the length of the arrow and the direction of the [[force]] by the direction of the arrow.
: The [[object]] is usually drawn in a simplistic way as its shape is not often important to the [[force]]s that are acting on the [[object]].
: '''Free body diagrams''' include a label which either names the [[force]] or states its [[magnitude]].
: E = [[Air Resistance]]
|}
{| class="wikitable"
|-
|[[File:FreeBodyDiagram1.png|center|150px]]
|[[File:FreeBodyDiagram2.png|center|150px]]
|[[File:FreeBodyDiagram3.png|center|150px]]
|[[File:FreeBodyDiagram4.png|center|150px]]
|-
| style="height:20px; width:200px; text-align:center;" |This [[diagram]] shows an [[object]] with a [[vector]] [[force]] of 5N [[magnitude]] directed [[horizontal]]ly to the right.
| style="height:20px; width:200px; text-align:center;" |This [[diagram]] shows an [[object]] with 2 [[force]]s of 5N [[magnitude]] in opposite directions, [[vertical]]ly.
| style="height:20px; width:200px; text-align:center;" |This [[diagram]] shows an [[object]] with 2 [[force]]s. One of 5N [[magnitude]] directed [[horizontal]]ly to the right, the other 3.5N directed [[vertical]]ly down.
| style="height:20px; width:200px; text-align:center;" |This [[diagram]] shows an [[object]] with 4 [[force]]s with pairs acting in opposing directions. The [[Resultant Force|resultant force]] here is 1N [[horizontal]]ly to the right.
|}
===References===
====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 ''Free body diagrams, page 122, GCSE Physics, Hodder, AQA '']
:[https://www.amazon.co.uk/gp/product/178294558X/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=178294558X&linkCode=as2&tag=nrjc-21&linkId=f0dfb66dafcb0c6e9449e7b1a4ae1ac199 ''Free body diagrams, page 53, GCSE Physics; The Revision Guide, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/1782946403/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946403&linkCode=as2&tag=nrjc-21&linkId=32a0abb60dff015b15b50e9b1d7b4644 ''Free body diagrams, pages 131, 132, GCSE Combined Science Trilogy; Physics, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/1782945970/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945970&linkCode=as2&tag=nrjc-21&linkId=a120d24dcc7cc7a58192069a3aafc1d2 ''Free body diagrams, pages 151, 152, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA '']
:[https://www.amazon.co.uk/gp/product/1471851362/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851362&linkCode=as2&tag=nrjc-21&linkId=7d78d70a2044ee9982dae010c94af92a ''Free body diagrams, pages 21, GCSE Combined Science Trilogy 2, Hodder, 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 ''Free-body diagram, pages 156, 162, GCSE Physics; Student Book, Collins, 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 ''Free-body force diagrams, page 119, GCSE Physics; Third Edition, Oxford University Press, AQA '']
====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 ''Free body force diagram, page 134, GCSE Physics, Pearson 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 ''Free body force diagram, page 376, GCSE Combined Science, Pearson Edexcel '']
:[https://www.amazon.co.uk/gp/product/1782948163/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948163&linkCode=as2&tag=nrjc-21&linkId=0fdbfd5dd397d6e24a9dfb250f08587f ''Free body force diagrams, pages 207-209, GCSE Physics, CGP, 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 ''Free body diagrams, pages 64-65, Gateway GCSE Physics, Oxford, OCR '']
:[https://www.amazon.co.uk/gp/product/1782945687/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945687&linkCode=as2&tag=nrjc-21&linkId=9a598e52189317a20311d7a632747bc9 ''Free body force diagrams, page 26, Gateway GCSE Physics; The Revision Guide, CGP, OCR '']
:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Free body forces diagrams, page 163, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']