Can someone explain this to me. I know the coefficient of friction is the force required to move the object/its weight.
I also know w = [8(pi)]/3
When the disc rotates, it will impose a radial force on the particle. As long as this force is less than (or equal to) μR, the particle will remain at rest and won't slip on the disc.
It's this inequality that will yield the least possible value of μ.
When the disc rotates, it will impose a radial force on the particle. As long as this force is less than (or equal to) μR, the particle will remain at rest and won't slip on the disc.
It's this inequality that will yield the least possible value of μ.