- #1
toesockshoe
- 265
- 2
Homework Statement
My teacher said that static friction can't slow down a sphere, when I during his office hours, and he gave he said that they don't do work on a rolling sphere... instead rolling friction is what slows down a sphere. Can someone explain to me how rolling friction works and why static friction can't slow down a sphere (when its rolling without slipping).
Homework Equations
uhhh... [itex] F_{fs} = \mu _k F_n [/itex]
The Attempt at a Solution
Just a conceptual question.