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Weigh Station—All Trucks Stop!

Experiment #6 from Investigating Motion

Education Level
Elementary School


Do you ever wonder if trucks would roll down a hill faster when they have a full load or when they are empty? This activity will help you test a truck on a downhill ramp. You will discover whether the truck goes faster when it is lighter or as you add weight to its load.


  • Use a Motion Detector to measure the time it takes a truck to go down a ramp.
  • Predict what will happen as you add weight to the truck.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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This experiment is #6 of Investigating Motion. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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