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Unformatted text preview: Writing Assignment #1 The rectangular prism shaped eraser was attached to a piece of string 1 meter in length; I held the bottom of the string in my left hand and with the right hand at the center of the string, I began to swing it and above my head. It took some initial swings for to get string-object into motion. In the beginning, the string was at an angle from the horizontal floor, but as I swung with greater force and passion, the string was soon almost parallel with the floor (it can not be fully parallel because of gravity acting upon the eraser), and the object accelerated to a constant speed. I was able to see that the string was indeed almost parallel with the ground by swinging it while facing a full body length mirror. The physics behind this experiment is as follows. According to Newton’s First Law of Motion, an object will only accelerate if there is net force acting on it. So for the object to travel in a circular motion there must be force acting upon it that causes it to move in that circular...
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This note was uploaded on 03/15/2010 for the course PHY PHY101 taught by Professor Dr.vax during the Spring '10 term at University of Toronto.
- Spring '10