Asked by sara
Why don’t skateboarders keep flying through the air when they launch off a ramp?The force of gravity works against the skateboarders’ inertia.Skateboard wheels don’t spin fast enough to keep them moving very far.The skateboarders have no inertia when they launch off a ramp.Skateboards do not use Newtons to move around ramps.
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Answered by
GPT-5 mini
AI
"The force of gravity works against the skateboarders’ inertia."
In more detail: when a skateboarder leaves a ramp they tend to keep moving (inertia), but gravity constantly pulls them downward. That downward force accelerates them toward Earth, turning their motion into a parabola: they rise until vertical velocity becomes zero, then fall back down. Air resistance and friction are minor additional effects but gravity is the main reason they don’t keep flying.
In more detail: when a skateboarder leaves a ramp they tend to keep moving (inertia), but gravity constantly pulls them downward. That downward force accelerates them toward Earth, turning their motion into a parabola: they rise until vertical velocity becomes zero, then fall back down. Air resistance and friction are minor additional effects but gravity is the main reason they don’t keep flying.
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