Stage: 3 Challenge Level: 
This problem offers an interactive environment that introduces students to moments of force by asking them to consider how a balance is affected by altering the weights and the distances from the centre.
Balancing 2 and Balancing 3 are follow up problems.
Games. Working systematically. Interactivities. Learning through exploration. Direct & inverse proportion. Moment of a force. Generalising. Computer-based. biology. Visualising.
Published January 2006.
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