O-LevelPhysicsForces5054/11 · Oct/Nov 2010 · Q51 Mark
An aircraft, flying at a constant height, is gaining speed. The four forces acting are L lift due to the wings R air resistance T the thrust due to the engines W the weight Which row is correct?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AL = W, T = R
BL > W, T > R
CL = W, T > R
DL > W, T = R
✓ Correct answer
C: L = W, T > R
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