explain why a dam is thicker at its base than at the top?
explain why a hole in a ship near the bottom is more dangerous than one near the surface?
explain why a barometer will show a greater reading when taken down a coal mine
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The reason is the pressure of the water. As the depth increases, the pressure of the water also increases. As the increase in pressure, the danger increase. So dam is thicker at its base than at the top. This is why a hole in a shop near the bottom is more dangerous than the one near the surface. In case of coal mine, as the depth from the surface increases, the pressure also increases here. This is why a barometer will show a greater reading when taken down coal mine.
The reason is the pressure of the water. As the depth increases, the pressure of the water also increases. As the increase in pressure, the danger increase. So dam is thicker at its base than at the top. This is why a hole in a shop near the bottom is more dangerous than the one near the surface. In case of coal mine, as the depth from the surface increases, the pressure also increases here. This is why a barometer will show a greater reading when taken down coal mine.
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