I am testing my students' logic. What is the answer they should choose between "paved path" and "pebbled path"? Logic test: Morgan rides his bike into town and slowly takes a pebbled path. On the way back, he takes a paved path and the trip is much faster. The trip is faster because the paved path had (A) more friction (B) less friction.
The answer to this question is:
pebbled path