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!

Force required to push

  1. Jun 28, 2014 #1
    Hello members,

    Can anyone help me with the following.

    How much force is required to push 30 tonne of rubbish from a enclosed smooth steel container, sitting level with the ground?

    Rubbish contents (timber, plastic, dirt, food, etc)

    I was under the impression that the coefficient of friction of say timber on steel is 0.4-0.6. Therefore to push 30t of this material should take roughly 150kn.

    Thanks for any help.

    Dave
     
  2. jcsd
  3. Jun 28, 2014 #2

    mfb

    User Avatar
    2017 Award

    Staff: Mentor

    That is certainly a reasonable estimate, if you push perfectly horizontal, if nothing else is blocking (sides of the container, uneven surface, rusted together, ...), everything is dry, the surface you want the rubbish to be afterwards is also steel (or similar to it) and no other issues occur.
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook