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: Pressure on table Question

  1. May 7, 2010 #1
    1. A vertical force of 30N is applied uniformly to a flat button with a radius of 1cm that is lying on a table. Estimate the pressure applied to the button

    2. P=F/A

    3. P=F/A= 30/(3.14)(r)^2
  2. jcsd
  3. May 7, 2010 #2


    User Avatar
    Science Advisor
    Homework Helper

    Welcome to PF!

    Hi alsemmelink! Welcome to PF! :smile:

    (try using the X2 tag just above the Reply box :wink:)
    That's the correct formula …

    so what answer do you get (and remember to be careful about the units)? :smile:
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook