Forces in Magnetic Levitation

Friction exists in all transportation systems. Friction causes energy loss, generates heat and mechanical wear on the parts of the system. The lower the friction between two surfaces, the less force is required to move the vehicle. Therefore, friction must be reduced as much as possible to make the system more efficient. The reduction of friction in a maglev system provides a comfortable, smooth ride, eliminates noise, and can lower maintenance costs. Most important of all, the lack of friction allows maglev vehicles to travel at speeds over 300 miles per hour. All moving objects have 4 forces that are acting on them at all times.  Thrust, Lift, Drag and Weight (or gravity).  MagLev vehicles maximize the efficiency of lift and thrust to overcome drag and gravity.

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