Physics, 02.06.2021 20:40 ariloveshorses
Jack and Rose wanted to study the effects of friction on the motion of objects. In order to do so, they decided that they would test how well a coin slides across various surfaces with different amounts of friction. The surfaces that they slid the coin across were: a smooth white board, a piece of textured fabric, and a piece of sandpaper. In order to guarantee that the amount of force applied remained constant, the surfaces were placed on top of a book and kept at a 50 degree angle the entire time. The penny was placed on its side at the top of the surface and allowed to slide down. The distance the penny slid down the surface was measured after each trial and recorded in the data table.
Distance the Penny Slid:
Material
Trial 1
Trial 2
Trial 3
White Board
31 cm
32 cm
31.5 cm
Textured Fabric
22 cm
21.5 cm
22 cm
Sandpaper
3 cm
2 cm
1.5 cm
Directions: Write a CER / Explanation for the experiment explained above, as if you were one of the experimenters.
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