Explain why a fast moving car appears lighter.
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It sets air above it in motion with velocity equivalent to its velocity. Pressure above it becomes lower than that below it hence it experiences a net upward force.
It sets air above it in motion with velocity equivalent to its velocity. Pressure above it becomes lower than that below it hence it experiences a net upward force.
When a car is moving at high speed,the velocity of air above it is higher than the velocity of air below the car, this as a result cause air pressure above to be low as compared to air pressure below the car.