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written by the NASA Glenn Learning Technologies Project
This experiment demonstrates Newton's Second Law of Motion by showing the reaction of a rolling car to increased mass and initial velocity. Students build the vehicle out of wooden blocks, wood screws, rubber bands, matchsticks, and fishing sinkers. By doing repeated trials of the experiment, it will become clear that the distance the car travels depends on the number of rubber bands used and the mass of the block (mass is increased by adding sinkers).
This resource was developed by the NASA Glenn Research Center Aerospace Education Services Project.
This resource is part of a Physics Front Topical Unit.
Topic: Dynamics: Forces and Motion
Unit Title: Newton's Second Law & Net Force
This experiment gives kids a concrete way to explore Newton's Second Law of Motion by doing timed trials on a "car" built out of wooden blocks, wood screws, fishing sinkers, rubber bands, and matchsticks. They can increase the mass of the car by adding sinkers and increase the propulsion by adding rubber bands.....they will discover that the distance traveled depends on the number of rubber bands and the mass of the block.Link to Unit:
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