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!

How many G's does a skydiver experience in freefall?

  1. Apr 28, 2009 #1

    DaveC426913

    User Avatar
    Gold Member

  2. jcsd
  3. Apr 28, 2009 #2

    mgb_phys

    User Avatar
    Science Advisor
    Homework Helper

    But how many kW per second does it do.
     
  4. Apr 28, 2009 #3

    mathman

    User Avatar
    Science Advisor
    Gold Member

    Free fall under the influence of gravity means the force is 1g.
     
  5. Apr 28, 2009 #4
    Depends... if you mean when he's in free fall, then yes it's 0. If you mean when he hits the ground because his parachute failed to deploy... well, the g-force of that sudden deceleration is pretty hefty :)
     
  6. Apr 28, 2009 #5

    rcgldr

    User Avatar
    Homework Helper

    For sky-divers the term "free-fall" includes descending through the air at constant speed, and the force felt is 1 G of aerodynamic drag, opposing gravity.
     
  7. Apr 28, 2009 #6

    mgb_phys

    User Avatar
    Science Advisor
    Homework Helper

    That's almost 3times the G force felt by a Tuba player in a marching band!
     
  8. Apr 28, 2009 #7

    vanesch

    User Avatar
    Staff Emeritus
    Science Advisor
    Gold Member

    :rofl:

    The sense of associating the product with a cool item ....
     
  9. Apr 29, 2009 #8

    A.T.

    User Avatar
    Science Advisor
    Gold Member

  10. Apr 29, 2009 #9

    Redbelly98

    User Avatar
    Staff Emeritus
    Science Advisor
    Homework Helper

    Perhaps they meant that, but they said "during freefall". (EDIT: However, this is the only answer that makes any sense.)

    And a force 3 times greater than that means this is one dangerous motorbike!

    By that logic, an astronaut orbiting the Earth experiences slightly less than 1g, yet we refer to that as a 0g situation.
     
    Last edited: Apr 29, 2009
  11. Apr 29, 2009 #10

    Ranger Mike

    User Avatar
    Science Advisor
    Gold Member

    ?????
     
    Last edited: Jul 24, 2009
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook