How does a motorbike run without falling off?

August 24, 2009 by admin · 1 Comment
Filed under: Physics 
motorbike
shameemA asked:

Is gravity is helping to ride the motorbike or a bicycle. Then how gravity works on the motorbike?

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Comments

One Response to “How does a motorbike run without falling off?”
  1. Chris B says:

    Your question is sort of worded poorly. But it feels to me like you wanna know the minimum velocity required to successfully send a motorbike through a vertical circle without falling off.

    The minimum velocity at the very top would have no other force working towards the center then the weight of the motorbike.

    Therefore, (MV^2/r) = mg

    m cancels out

    v^2/r= g

    v^2= rg

    sqrt(rg)= velocity critical.

    Taking the square root of the radius times the acceleration due to gravity would give you the minimum speed required.

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