English

Forces on an Aircraft in Take-off or Landing

This image is part of a series that was created for an open textbook, Aerodynamics and Aircraft Performance . The textbook is available here . Preferred citation: Kindred Grey (2021). "Forces on an Aircraft in Take-off or Landing." CC BY 4.0 . Adapted from James F. Marchman (2004). CC BY 4.0 . Alternative text: For an aircaft touching the ground while traveling horizontally at velocity cap V, lift cap L acts vertically upwards, weight cap W works vertically downward, thrust cap T acts horizontally in the direction of travel, and drag cap D acts horizontally opposing the direction of travel. On the rear wheel, an upward reaction force cap R is shown, while a friction force mu times cap R opposes the direction of travel.

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