Recent content by Mash

  1. M

    How does friction affect snowboarding?

    Oh right. Is it possible to do a complete 360 degree turn going up the hill then back down if you had enough speed? Or is there some sort of bound on how far you can travel uphill...
  2. M

    How does friction affect snowboarding?

    Ahhh, so the coefficient changes... that makes things simpler. Oh yes, I thought that it should have been in classical physics (mechanics) after i already posted under general. Sorry bout that. Would it be fair to say that the coefficient increases as the angle between the acceleration and...
  3. M

    How does friction affect snowboarding?

    Hi, I am trying to make a simply model of a snowboarder for a computer game. I have implemented basic friction, he slows and comes to a stop when the acceleration force is less than the frictional force. I am now puzzled as how friction changes when the snowboarder turns. As the...
  4. M

    Question: How is the direction of friction calculated in snowboarding?

    Hey, Im making a snowboarding game. I'm using Coulomb's equation for friction: Ff = coef_of_fric * normal force This gives me the size of the frictional force. But how is the direction calculated? Is it the opposite of the direction of the velocity of the snowboarder? Or is it the opposite...
  5. M

    Calculating Torque and Rate of Turn in Snowboarding

    Ok, so this is for a snowboarding game.. What would be an approximate rotational intertia for a snowboader? His mass in the game is 75kg's. Or how would I go about working out what his rotational intertia would be? I guess it would depend on the position of your arms and things wouldn't...
  6. M

    Calculating Torque and Rate of Turn in Snowboarding

    Ok, So if i calculate the torque on an object, how do i then find out the rate at which that object turns?
  7. M

    Snowboarding Physics: Turning & Center of Mass

    Hey there, I am trying to make a snowboarding game and want relatively realistic physics involved. I have implemented gravity and now the snowboarder slides down the hill with appropriate acceleration. My next step is to implement turning. I will treat the snowboarder as if he is a...
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