Is pressure = Force/area valid in an accelerator going up? How?
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A change in velocity means, by definition, that there is an acceleration. Newton's first law says that a net external force causes a change in motion; thus, we see that a net external force causes acceleration. ... An internal force acts between elements of the system.
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hi
buddy here is your answer
Explanation:
This becomes clearer if you think about the liquid, not the ball.
The buoyant force is caused by the pressure of the liquid. The pressure is caused by the weight of the liquid. The weight is cause by gravity.
When an elevator accelerates downward, it is just as if gravity had become weaker. The weight of the fluid decreases. The pressure decreases. The buoyant force decreases.
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