Mrs. Smith's class was testing which materials generated the most amount of heat when rubbed together. The data collected by the class is shown in the table.
Based on the data, which of the following is true and supports the conclusion?
A. Plastic rubbed on plastic had less friction than wood rubbed on wood.
B. Cotton cloth rubbed on plastic had the most friction.
C. Brick rubbed on sandpaper had the least friction.
D. Cotton cloth rubbed on plastic had more friction than brick rubbed on sandpaper.
Answers: 1
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Mrs. Smith's class was testing which materials generated the most amount of heat when rubbed togethe...
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