Recent content by trondern

I have no clue...

Up to thetta it is : sin (thetta) * mg - m*(v^2/R) at thetta its : sin(thetta)*mg - 0 ? This is hard:( What do i do with it afterwards?

I haven't solved any questions like this in the past. Thats why its kinda hard for me to get the picture here:)

Those ..never used them before i think..

no, ok. Fn = 0. But I am still confused about what equations to use..

:bugeye: Thats what I've been trying to figgur out. There's no examples on it in my book, so its kinda hard to just see it happening. I was thinking something like this, but unsure what to do with it.. hehe mg cos(thetta+phi/2).. seriously ..im drawing a blank here

Ok, I've been looking around for a answer for this , but haven't found one. So in hope for some help, ill post the problem here: A pipe has the form as a half cylinder. On the top of the cylinder its placed a item that can slide frictionfree on the cylinder. The cylinder gets a microsmal...