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"What the scientists say: The shape of an aerofoil creates an upward force called lift. An aircraft's pitch changes when its nose rises or falls. The same forces act on all aeroplanes - weight, lift, thrust and drag. The first powered flight was made on 17th December, 1903."--from back cover.

Editions · 4

Paperback
2003 · Book House
32 pp · EN
9781904194897
Paperback
2003 · Turtleback Books Distributed by Demco Media
32 pp · EN
9780606332590
Paperback
2003 · Barron's Educational Series
32 pp · EN
9780764125911
Hardback
2003 · Tandem Library
EN
9780613840545

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