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Balance of Forces

This text explores the principle of balanced forces during various flight conditions. In unaccelerated flight, all forces are equal and opposite: lift equals weight, and thrust matches drag. In forward flight, thrust surpasses drag while lift and weight remain constant. During ascending flight, lift exceeds weight, maintaining equal thrust and drag. Conversely, in descending flight, lift is less than weight with constant thrust and drag. This information is vital for understanding flight dynamics and performance in aviation.

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Balance of Forces

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  1. Balance of Forces During un-accelerated flight, all opposing forces are equal in magnitude and in opposite directions Hover • Lift is equal to weight • Thrust is equal to drag

  2. Balance of Forces in Forward Flight • Thrust is greater than drag • Lift and weight remain balanced and constant

  3. L T D W L T D W Balance of Forces in Ascending/Descending Flight Climb Lift is greater than Weight. Thrust and Drag remain equal and constant Descent Lift is less than Weight while Thrust and Drag remain constant

  4. Questions?

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