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===About Deformation===
: [[Object]]s are '''deformed''' by the action of a pair of [[Equilibrium Forces]].
: These [[Equilibrium Forces|equilibrium forces]] are equal in [[magnitude]] size but opposite in direction acting at different ends of an [[object]] to '''deform''' it. If there is only one [[force]] then the [[object]] will not '''deform''' it will just [[accelerate]].
: Some [[object]]s '''deform''' [[Plastic Deformation|plastically]] which means they stay in their new shape after the [[force]]s are gone.
: Some [[object]]s '''deform''' [[Elastic Deformation|elastically]] which means they will return to their original shape when the [[force]]s are gone.
==Key Stage 4==
===Meaning===
[[Deformation]] is to change the shape of an [[object]] by applying a pair of [[Equilibrium Forces|equilibrium forces]].
===About Deformation===
: [[Equilibrium Forces|Equilibrium forces]] are equal in [[magnitude]] but opposite in direction acting at different ends of an [[object]] to '''deform''' it. If there is only one [[force]] then the [[object]] will not '''deform''' it will just [[accelerate]].
: Some [[object]]s '''deform''' [[Inelastic Deformation|inelastically]] which means they stay in their new shape after the [[force]]s are gone.
: Some [[object]]s '''deform''' [[Elastic Deformation|elastically]] which means they will return to their original shape when the [[force]]s are gone.
===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 ''Deformation; elastic, pages 176-7, GCSE Physics; Student Book, Collins, 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 ''Deformation; plastic, pages 176-7, GCSE Physics; Student Book, Collins, AQA '']