![]() ![]() ![]() Exercise1: Calculate the absolute water pressure at the bottom of this swimming pool. This effect was observed as far back as the mid-1800s, when it was found that trains passing in opposite directions tipped precariously toward one another. Find the total force exerted on a 20 cm by 20 cm square window. The reason is the same: The high velocity of the air between the car and the truck creates a region of lower pressure between the vehicles, and they are pushed together by greater pressure on the outside ( (Figure)). Calculate the total force on the wall due to the oil pressure, as. Q5 has a circular window in an inclined wall. Similarly, when a car passes a truck on the highway, the two vehicles seem to pull toward each other. Calculate the total force on the wall due to the oil pressure, as well determine the location of the center of pressure and show the resultant force on the wall. This pressure difference results in a net force, pushing the curtain inward. The reason is that the high-velocity stream of water and air creates a region of lower pressure inside the shower, whereas the pressure on the other side remains at the standard atmospheric pressure. ![]() For instance, shower curtains have a disagreeable habit of bulging into the shower stall when the shower is on. There are many common examples of pressure dropping in rapidly moving fluids. As a result, the pressure drops in a rapidly moving fluid whether or not the fluid is confined to a tube. The net work done increases the fluid’s kinetic energy. ![]()
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