Recent content by byarble

so I got another question, would friction be proportional purely to surface area of contact or the volume of displacement, I feel like a blade which has a lot of surface area would perform better in penetration than a cylinder with comparatively less surface area but more volume, wouldn't this...

I think I get it now so I have 1 more question, in the case of projectiles, friction would increase with projectile length yes?

I was quite curious when I noticed that a stake gets progressively harder to drive the deeper it goes into the soil. When I tried looking up ballistics formulas they seemed to disagree and state that there should be a force that should work to penetrate all depths. Does the force increase...