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Question 20N.2.SL.TZ0.1a(ii)

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Date November 2020 Marks available [Maximum mark: 2] Reference code 20N.2.SL.TZ0.1a(ii)
Level SL Paper 2 Time zone TZ0
Command term Outline Question number a(ii) Adapted from N/A
a(ii).
[Maximum mark: 2]
20N.2.SL.TZ0.1a(ii)
(a(ii))

Outline, by reference to Newton’s third law, how the upward lift force on the aircraft is achieved.

[2]

Markscheme

Blades exert a downward force on the air


air exerts an equal and opposite force on the blades
«by Newton’s third law»
OR
air exerts a reaction force on the blades «by Newton’s third law»


Downward direction required for
MP1
.