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| To push something is to move it by the application of force. |
A fixed-wing aircraft is a heavier-than-air craft
where movement of the wings in relation to the aircraft
is not used to generate lift. The term is used to
distinguish from rotary-wing aircraft, or ornithopters,
where the movement of the wing surfaces relative
to the aircraft generates lift. Modern jet transport
aircraft take off at roughly 290 km/h (180 mph),
and cruise at over 892 km/h (555 mph)... |
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