MAKE YOUR OWN PRESSURE GAUGE
MAKE YOUR OWN PRESSURE GAUGE Nikunja Bihari Sahu Water, like any other liquid, is capable of exerting pressure. Its pressing ability arises because of the distribution of its own weight. There are numerous applications of this principle in our daily life. An under-water swimmer very well knows how strongly he is crushed by water as he plunges to more and more depths. Fishes living near the bottom of the sea have thin elongated bodies shaped due to the tremendous pressures of water from all sides. A deep sea diver needs a protective suit and helmet to stand up to the high pressure under water. The walls of a dam, built across a river to stop and store water, are designed much thicker at the bottom than at the top to withstand the tremendous pressure of water. Similarly, the reservoir in a p ublic water supply system is placed at an elevated location to
