O-LevelPhysicsForces5054/11 · Oct/Nov 2012 · Q51 Mark
An aeroplane is half way along a runway before it takes off. The arrows show the directions of four forces acting on the aeroplane. The drag forces on the aeroplane are negligible. The gravitational field strength g is 10N/kg. The acceleration of the aeroplane is 2m/s². What is the largest force?
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.
Athe force on the wheels from the ground
Bthe lift acting on the wings
Cthe thrust from the jet engines
Dthe weight of the aeroplane
✓ Correct answer
D: the weight of the aeroplane
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