This weekend I saw one of those inflatable bouncing castles. It was very cool because it has a lot to do with what we've been studying in physics. The machine pumps air through the castle so that kids can go and bounce on it. I noticed that when one kid jumped up and landed, a kid next to him would feel the air beneath his feet pushing up against him. This all has to do with the fluid mechanics that we have been studying. Since air is considered a fluid, it fills up the entire container (the castle). Since they want kids to be able to jump on the castle they need to have some place that some of the air can pass through, otherwise the pressure would build up and the castle would explode! Anyways, after i finish physics homework, i'm going to relieve some stress there.
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