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Friction and drag labs — Homework
Use this week's friction and drag ideas to explain each situation.
- 1.A skateboard rolls farther on a smooth sidewalk than on rough asphalt with the same push. Explain why.
- 2.Why do race cyclists use smooth, tight-fitting gear instead of loose, bulky clothing?
- 3.A block slides 40 cm on a rough table and 100 cm on a smooth table with the same push. Which surface had more friction?
- 4.Why does a bicycle eventually coast to a stop on flat ground even with no brakes touched?
- 5.Describe a fair test you could run at home to compare the friction of two floor surfaces, and predict which wins.
🌲 Homeschool of the FutureEighth Grade · Science · week 6 homework