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the force of friction
what I learned in 6.1 is that friction is when two things rub together. And different amounts of friction depens on the surface types.
what I learned in 6.2 is that the more bumps there is the more friction there is. I also learned about weight.
what I learned in 6.3 is that the different sides bearly effect the data. also it's because there is equal weight on the sides.
We measured sliding friction by measuring in newtons.
The variables were Surface types, distance, speed, slope and weight. We controlled them by keeping them the same.
Article posted May 11, 2012 at 03:15 PM •
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