During this past week there were many challenges that I faced however there were three concepts that I didn't fully understand however I did have a good idea of what it was and how to do the practice problems and how to build the specific structure. The three things in stem that I struggled on this week was fully understanding the velocity time graphs because I didn't know where the line for the graph went for when the person was standing still and I thought that it was supposed to stand still but go a little lower. The second thing in steam that I struggled on was finding the center of gravity. The last problem that I found fairly challenging was finding a way to insert a way to insert something to adjust the shelfs.
The first problem that I faced was finding a way to find out how to graph the graph when the person is standing still. I didn't understand the graph when it's going back to its point of origin and why it goes and becomes a negative slope. However I was able to understand because on the night before I reviewed and re did the worksheet and better understand the graphing system.
During the dominoes activity I thought that I found the center of gravity and I attempted to stack the dominoes on top of what I thought was the center of gravity however I didn't take into account that when the dominoes expanded outward that the center of gravity changes.
The last problem that I faced was finding a way to be able to make adjustable shelves for the library and I thought of pegs but I figured that it would be a little bit heavy with a lot of books on the shelfs and so I thought of making a wheel system with tabs that secure the shelf in space however I don't know how I would install this system into the bookshelf.
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