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!

Sinking rock

  1. Jan 11, 2014 #1
    If a rock is sinking in water with constant speed..

    how many forces are working on it?
     
  2. jcsd
  3. Jan 11, 2014 #2

    berkeman

    User Avatar

    Staff: Mentor

    What are *your* thoughts? What is the context of your question?
     
  4. Jan 12, 2014 #3
    my thoughts are that there are only two; gravity and water resistance, but my physics book says its three; gravity, water resistance AND buoyancy. i don't understand how buoyancy works in this situation... anyone?
     
  5. Jan 12, 2014 #4

    A.T.

    User Avatar
    Science Advisor
    Gold Member

Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook




Similar Discussions: Sinking rock
  1. Sink rate (Replies: 16)

  2. Rock Tumbling (Replies: 4)

  3. Vortex at sink (Replies: 14)

  4. Sources and Sinks (Replies: 1)

Loading...