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: If [[weight]] is considered to be the [[Action Force|action force]] then the [[Normal Contact Force|normal contact force]] of an [[object]] on the ground can be considered the [[Reaction Force|reaction force]].
: If there were no [[weight]] the [[object]] would not stay in contact with the ground so the [[Reaction Force|reaction force]] would not longer exist without the [[Action Force|action force]].
===References===
====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 ''Action-reaction forces, pages 22, 132, 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 ''Action-reaction forces, pages 306, 374, GCSE Combined Science, Pearson Edexcel '']