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Friction is a force you experience every day.
Q1: We pulled a block at a constant speed across a surface.I learned in 6.1 how to set a spring scale. You have to put the scale on zero.In 6.2 I learned that it depends on how much effort you put in pulling the block to get different results.In 6.3 I learned that you can put the block on all different sides to get more results.
Q2: I just turned the block on all different sides.
Q3:I learned that controlled variables are very hard to understand.
Article posted May 17, 2012 at 09:31 AM •
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