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Waka forces - Level 4

Achievement Objectives - Whāinga Paetae: Te Aka

4.1 Investigate and use scientific models of force and motion, and some applications, e.g. friction, levers and pulleys. Te Marautanga o Aotearoa:(p.101) Ō Ahupūngao, Te Tōpana me te Nekenga, Taumata 4.1

Learning outcome

I will be able to:

  • describe the forces acting on a waka
  • identify forces that are balanced
  • identify forces that are unbalanced
  • identify the relationship between weight force in a waka and drag force
  • explore the relationship of thrust and drag forces on the resultant force

Success criteria

Success criteria Self-assessment Peer assessment Teacher assessment
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I can describe the forces acting on a waka.                  
I can identify forces that are balanced.                  
I can identify forces that are unbalanced.                  
I can identify the relationship between weight force in a waka and drag force.                  
I can explore the relationship of thrust and drag forces on the resultant force.                  

Waka forces

In designing waka ama for racing there are many things that need to be considered. This is because there are lots of forces that act upon the waka. Forces can either push or pull. They can decide whether you win or lose a race. There are four forces that act on a waka:

Weight: The downwards pull of gravity on an object.

Support: The upwards push to support an object.

Thrust: The force that makes an object move.

Drag: The force opposing the motion of an object.

The following page contains an interactive about these forces. You will need to decide which of the above forces are acting on the waka as it is paddled through the water.

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