u/Historical_Face6662

https://preview.redd.it/cd1639l9cyxg1.png?width=540&format=png&auto=webp&s=be20b8dbd47a5103a86480b848a4e468613daa30

https://preview.redd.it/cfnrso8bcyxg1.png?width=536&format=png&auto=webp&s=9e2b3deeafae23ccd20d240568ce948c10e7c455

https://preview.redd.it/r9oalqzccyxg1.png?width=707&format=png&auto=webp&s=c62dbe3081c892eca170b2132baa14ea09dd123c

It's in the model answers on PMT but it doesn't look like it would get marks on the mark scheme? June 2021 F. Mech 1.