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Lift
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==Key Stage 3==
===Meaning===
[[Lift]] is a [[force]] made by a wing that acts upwards when the wing moves forwards.
===About Lift===
: [[Lift]] is a [[force]] so it is [[Measure|measured]] in [[Newton]]s.
: [[Lift]] is a [[Contact Force|contact force]] because it can only act when an [[object]] is in a [[fluid]].
: [[Lift]] is caused by a shape called an aerofoil.
{| class="wikitable"
|-
|[[File:Aerofoil.png|center|400px]]
|-
| style="height:20px; width:400px; text-align:center;" |As the wing moves from right to left it produces [[lift]].
|}
: [[Lift]] only exists when the aerofoil is moving.
: [[Lift]] is produced by the wings of planes and the blades of a helicopter.
===Examples===
{| class="wikitable"
|-
|[[File:LiftPlane.png|center|400px]]
|-
| style="height:20px; width:200px; text-align:center;" |[[Lift]] acts from the wings.
|}
==Key Stage 4==
===Meaning===
[[Lift]] is a [[force]] made by a wing that acts upwards when the wing moves forwards.