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: Compressive Stress

  1. Nov 29, 2004 #1
    ----A man leans down on a cane with a vertical force of 110.00N. The narrowest part of the cane has a radius of 1.15cm. What is the maximum compressive stress in the cane?----

    For this problem I thought I needed to calculate stress, which is P/A . Pressure is the Force/Area...so I did 110N / Pi 0.0115^2 . And then I divided that answer to get the stress, but it was wrong. Can anyone help me figure out what I did wrong? Thanks :)
     
  2. jcsd
  3. Nov 29, 2004 #2

    Gokul43201

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    Stress is not P/A, it is F/A.

    (Note : Stress is a tensor, whose elements are determined from the components of force and area vectors, while pressure is a scalar.)
     
  4. Nov 29, 2004 #3
    oh my bad...thanks :)
     
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook