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Please help me

  1. May 24, 2009 #1
    please help me to find out what is the best and simple way to convert the energy of falling mass to into forward motion? i have to design and creat a vehicle which uses a mass falling over a short distance to power a vehicle up an inclined ramp.
  2. jcsd
  3. May 24, 2009 #2


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    Staff: Mentor

  4. May 24, 2009 #3
    A trebuchet (catapult) has been used to launch a Volkswagen. See this youtube (this is actually a parabola):
    Last edited by a moderator: Sep 25, 2014
  5. May 25, 2009 #4


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    Gold Member

    You could drop a heavy weight on someone's head and then swipe his car keys...
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