Unit of Mechanical Advantage of a machine?

  1. Why the mechanical advantage of a simple machine has no units?
    thank you.
  2. jcsd
  3. Andrew Mason

    Andrew Mason 6,921
    Science Advisor
    Homework Helper

    Because you are dividing a force by a force. It is simply a dimensionless number.

  4. Doc Al

    Staff: Mentor

    It's a ratio of similar quantities. The units cancel.
Know someone interested in this topic? Share this thead via email, Google+, Twitter, or Facebook

Have something to add?