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| *Vultures Knob>>>Stationary Bike |
Why can you balance on a moving motorbike and not on a stationary one? |
i mean ,ok wats the main difference? ok then if you were on a bike that was placed on a moving treadmill like thing.................... would you be able to balance? Thanks you are able to balance due to the gyroscopic effect of the spinning wheels. The faster the wheels spin, the more stable the bike is. Yes you can balance a bike on a treadmill device. It's a common training device for bicycle riders. They are called rollers. Try this experiment- take a bicycle wheel, hold it where it would normally attach to the forks, and start it spinning . Once it's spinning, try turning the wheel so that it is spinning around a vertical axis, rather than a horozontal axis. If I've been clear in my directions, you will notice that it's a lot harder to change the axis of rotation of the spinning wheel, than it does to change the axis of rotation of a stationary wheel. That's why it's easier to balance on a moving bike- or, rather, on a bike with rotating wheels. A nanoseconds thought will tell you that it can have nothing to do with the gyroscope effect. If this effect were large enough to support your weight, it would also be large enough to prevent you turning either left or right even with all of your weight. This is clearly NOT what happens. In fact, bikes are stable because the line of the forks meet the ground behind the front wheel. This is done wither by bending the forks or by mounting the wheel slightly forward on the forks. As a result - and provided you are moving - if you accidentally lean left the front wheel will automatically turn right. This forced right turn will restore your balance. It is interesting and very funny to see someone try to ride a bike with the forks reversed. They just fall off. |
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