Changes

: When one [[object]] is [[stationery]] the [[object]] which is moving is said to [[collide]] with an [[object]] that is not moving. For example I '''collided''' with a lamppost, the lamppost did not '''collide''' with me.

: When one [[object]] is [[stationery]] the [[object]] which is moving is said to [[collide]] with an [[object]] that is not moving. For example I '''collided''' with a lamppost, the lamppost did not '''collide''' with me. ===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 ''Collision, page 163, 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 ''Collisions, pages 150-157, GCSE Physics; Third Edition, Oxford University Press, 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 ''Collisions, pages 169-70, GCSE Physics, Hodder, 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 ''Collisions, pages 245-6, GCSE Combined Science Trilogy 2, Hodder, 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 ''Collisions, page 23, 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 ''Collisions, page 307, 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 ''Collisions; momentum, page 25, 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 ''Collisions; momentum, page 309, GCSE Combined Science, Pearson Edexcel ''] ====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 ''Collisions, pages 17, 18, 32, Gateway GCSE Physics; The Revision Guide, CGP, 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 ''Collisions, pages 72-73, 199, 222-223, Gateway GCSE Physics, Oxford, OCR '']:[https://www.amazon.co.uk/gp/product/0198359829/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359829&linkCode=as2&tag=nrjc-21&linkId=90e8d7b4f039d53035238fa0320fe00b ''Collisions, particles in reactions, pages 176-179, Gateway GCSE Chemistry, Oxford, OCR ''] ==Key Stage 5=====Meaning==='''Collisions''' are interactions between [[particle]]s or bodies where they exert [[force]]s on each other for a short duration. ===About Collisions===*'''Collisions''' can be elastic or inelastic.*In [[Elastic Collision|elastic collisions]], both [[momentum]] and [[Kinetic Energy|kinetic energy]] are [[Conservation Law|conserved]].*In [[Inelastic Collision|inelastic collisions]], [[momentum]] is [[Conservation|conserved]] but [[Kinetic Energy|kinetic energy]] is not.*'''Collisions''' can be analyzed using the principles of [[Conservation of Momentum|conservation of momentum]] and [[Energy|energy]].*The outcome of a '''collision''' depends on the relative [[Velocity|velocities]], [[mass]]es, and properties of the '''colliding''' bodies.*In perfectly [[Inelastic Collision|inelastic collisions]], the '''colliding''' bodies stick together after impact.*'''Collision''' analysis is crucial in understanding phenomena in mechanics, astrophysics, and particle physics. ===Examples=== *Billiard balls colliding is an example of nearly [[Elastic Collision|elastic collisions]].*Car crashes typically involve [[Inelastic Collision|inelastic collisions]] where the vehicles deform and [[Kinetic Energy|kinetic energy]] is converted to other forms of [[Energy|energy]].