safety
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US News
Why rollercoaster safety bars rarely fail: physics explained
A gripping simulation illustrates why you likely wouldn’t fall out of a rollercoaster seat even if the safety bar failed. Rollercoasters are intriguing from a physics standpoint due to their heavy reliance on gravity. These rides operate based on two Newtonian principles: gravity and inertia. As the coaster ascends the hill, potential energy builds up, causing it to accelerate once…