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MyloXyloto
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Most of my time is spent either doing homework or playing violin and ukulele. Depending on the season, I am often at rehearsals for musicals and sometimes black box shows. As you can probably tell, music is one of my strongest interests, both playing and listening. I'm not exactly sure what I want to do with my life, but I know no matter what music will always be a part of it. Last year, I took AP Physics 1 and really enjoyed my experience and learned a lot. However, I originally signed up to take AP Chemistry this year. When I got my schedule, I knew that was not really what I wanted to do. There was a lot more I wanted to learn about physics before going off to college, and I knew I was up for the challenge. I'm very excited to expand my knowledge of physics and learn to apply it to my life. I am a little nervous about this flipped classroom setting, but I know I'll adjust to it. I have a good feeling about this year.
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Another violin post, yay! I'm sure many of you already understood what I was talking about in my previous post, but this topic will likely be new to those of you who do not play a string instrument. Did you know that if you buy a new violin and just take it out and try to play it right away, it will make no sound? Now that's just crazy, right? It may sound like it; but if this were to happen, it's because you missed one very important step. You forgot to put rosin on your bow.
A bow is made of horse hairs that are connected on each end to a stick that is typically made of wood or a synthetic material. On their own, the hairs on a bow are very smooth; so if you were to rub them across the strings of a violin without putting on rosin, the bow would simply slide across the string without causing the strings to vibrate, which means no sound.
When rosin is applied, it gives the bow some stickiness. This will increase the friction between the hairs on the bow and the string. Because of this friction, the bow will try to stick a little to the strings. It will grab the strings, causing them to vibrate as you drag your bow across. This is part of what makes a violin have such a clear sound. You have to reapply rosin every now and then. You start to notice that your violin isn't making much sound, especially when playing higher notes, when it is in need of more rosin.
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I'll let you in on a little secret: I am a terrible dancer. Dancing has always been my weakness when it comes to doing shows, and I typically try to make up for it with singing and acting. When I see good dancers do it so effortlessly, I am extremely jealous. This crossed my mind because I actually have to go to dance rehearsal soon (and this is where I say everyone please come to IHS's production of The Music Man March 15-18). Anyway, time for the physics. As you have probably guessed, there is a lot of physics involved with dancing. When dancing and moving in a constant direction, you are creating momentum. The momentum is determined by your mass and how fast you're moving. If you develop more strength and can move more quickly, you will increase your momentum. When it comes to dance turns, torque is very important. For example, in some turns, you extend and retract your leg, which changes your rotational inertia. When the leg is extended, rotational inertia increases and you slow down in your spin. When the leg is retracted, rotational inertia decreases and your spin gets faster. Unfortunately, understanding the physics does not make me any more graceful or a better dancer.
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