19,879
edits
Changes
no edit summary
==Key Stage 4==
[[File:BalancingBird.png|right|300px|link=https://www.amazon.co.uk/gp/product/B001ELZ6F8/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=B001ELZ6F8&linkCode=as2&tag=nrjc-21&linkId=91947c71f7b82fcaf986f96327cd542d|thumb|This toy balances by having its '''centre of mass''' directly over its beak.]]
===Meaning===
The '''centre of mass''' is the [[Mean Average|average]] position all the [[matter]] in an [[object]].