1. Limited time only! Sign up for a free 30min personal tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

Homework Help: Coefficients of static and kinetic friction

  1. Oct 2, 2006 #1
    Suppose that the coefficients of static and kinetic friction have values such that the static coefficient is twice the value of the kinetic coefficient for a crate in contact with a cement floor. Does this mean that the magnitude of the static frictional force acting on the crate at rest would always be twice the magnitude of the kinetic frictional force acting on the moving crate? Give your reasoning.
  2. jcsd
  3. Oct 2, 2006 #2
    Yes, if the coefficients are a ratio of two, so will be the ratio of the forces. F=umg.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook