Recent content by Tin

@PeroK First of all thanks for the reply. I am aware that work is defined as ∫F⋅dr and in case of the contact patch having a velocity=0, meaning that even the dr is 0 so no work is being done (the point is not moving). And yes, that was my question in fact, that it is "present" at all times, but...

I'm aware of that, but this is more of a conceptual question, we neglect other effects all the time in some of the easier calculations, for example ignoring friction, air resistance, etc. I'm aware that avoiding deformations in actual world is impossible, but in a shell of basic mechanics I'd...

I'm not sure whether I understood rolling friction properly. First, I'll assume that both surface and the body are completely rigid (no deformations of body nor surface will happen, thus vector N won't be dislocated creating an opposite momentum). So, rolling friction (assuming there is friction...

As the title says, hello! I've just started studying physics so I decided to join these forums and hopefully join some discussions, etc. Anyways, have a nice day lads :smile: