Siti conducted an experiment using a wooden block and four different ramps. She measured the distance the block travelled after sliding down each ramp. Which surface likely resulted in the SHORTEST distance travelled?
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Worked Solution
Step 1: The distance travelled depends on the frictional force between the block and the ramp.
Step 2: A rougher surface produces more friction.
Step 3: Sandpaper is the roughest surface among the options, meaning it will oppose motion the most.
Step 4: Therefore, the block will travel the shortest distance on sandpaper.
Correct answer: Sandpaper
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