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B Skier, curved motion on slope/ reaction force?

  1. Mar 29, 2017 #1
    Hi folks,
    I was thinking about an old physics olympiad question I read. Can't remember exactly but it was about minimising the reaction force of a skier as she took a curved path down a ski-slope. That got me thinking generally about what is going on with the reaction force in such a situation.
    I got as far as some of my scribblings in the picture above (by first thinking about her just moving directly down the slope). I then realised my mechanics was not good enough to work out what was really going on.
    Would really appreciate any input/help.
    Last edited: Mar 29, 2017
  2. jcsd
  3. Mar 30, 2017 #2


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    Science Advisor

    When you go perpendicular to the slope while turning downhill, you want gravity to provide all the centripetal force, to minimize the ground reaction.
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