The Dynakar communicates wirelessly with a computer and can be used to collect accurate data of its displacement and velocity as it rolls along.
It can be used in a variety of ways, such as investigating motion graphs, kinematics experiments, modelling with Newton's Laws and investigating forces.
For other ideas for practical work in mechanics the Mechanics in Action workbook can be downloaded from the National STEM Centre eLibrary. This contains 53 practical investigations with detailed teachers notes and explanations of the mathematical models.
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