Review Tom mechanics

[Tom-van-Woudenberg]

pre-for-cem/book/contents/mechanics.md

Line 41 in 8676bd5

| | Stiffness under tension, under bending, curvature <details><summary>Student can:</summary>- Identify what the curvature of a beam is <br>- Do simple hand calculation to find the deformation of a beam under tension or bending moment </details> |-[Axial stiffness](https://sbainvent.com/strength-of-materials/axial-loading/axial-stiffness/)[^24]<br>-[Bending stiffness](https://mechcontent.com/flexural-rigidity/)[^25] |

• Second source includes some substantial errors
• First source a bit irrelevant

[ahmedfarhatx22]

• Do you have a better OER for this topic?