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!

Torque of human arm when bending

  1. Jun 5, 2013 #1
    To find the respective torque that is need to bend the the arm at 180 degrees, 90 degrees and 30 degrees. The arm is not holding anything.

    Relevant equations and information
    τ=rFsinθ

    total arm weight =3.35kg
    upper arm length =19cm
    forearm length =28cm
     
  2. jcsd
  3. Jun 6, 2013 #2

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    welcome to pf!

    hi mdp_somebodeh! welcome to pf! :wink:

    show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:

    (start with 180°)
     
  4. Jun 6, 2013 #3

    haruspex

    User Avatar
    Science Advisor
    Homework Helper
    Gold Member
    2016 Award

    This is bending at the elbow, right? Don't you need to know the orientation of the upper arm?
     
  5. Jun 25, 2013 #4
  6. Jun 26, 2013 #5

    tiny-tim

    User Avatar
    Science Advisor
    Homework Helper

    sorry, too difficult to read :redface:

    can you type it out, please? :smile:
     
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?
Draft saved Draft deleted



Similar Discussions: Torque of human arm when bending
  1. Torque of a human arm (Replies: 1)

Loading...