32. Mikela changed the tires on her bicycle from street bike tires to mountain bike tires.
With the new tires, she found that her bike moved slower on the road than it had before, although she worked just as hard to make it go.
1) What force changed when Mikela changed to a different type of tire?
2) Explain how the change in forces acting on the bicycle affected Mikela's speed.
Chemistry
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