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: This problem is mentally retarded. Please help please.

  1. Sep 23, 2008 #1
    1. The problem statement, all variables and given/known data

    A person is standing on a bathroom scale. Which of the following is not a force exerted on the scale?

    A) A contact force due to the floor
    B) A contact force due to the person's feet
    C) The weight of the person
    D) The weight of the scale

    3. The attempt at a solution

    They are check boxes. I have tried A. I have tried D. I have tried both A and D. None of those answer combinations are right.
  2. jcsd
  3. Sep 23, 2008 #2


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    Re: This problem is

    Draw a free body diagram of the scale, and examine the forces acting on it. Now see which one(s) do not apply.
Share this great discussion with others via Reddit, Google+, Twitter, or Facebook