Question: Choose between "trackpad" and  "sandpaper". Question: Rubbing your finger across a trackpad is very easy, but rubbing it across a piece of sandpaper results in high friction. Which surface will let you rub your finger a greater distance? (A) trackpad (B) sandpaper
Answer: trackpad

Question: Choose between "rugged hillside" and  "clearcut hillside". Question: A boulder rolling down a rugged hillside experiences more friction then one rolling down a clearcut hillside. This means the boulder can reach a higher top speed across the (A) rugged hillside (B) clearcut hillside
Answer: clearcut hillside

Question: Choose between "ramp" and  "hill". Question: Katy noticed that riding her skateboard on a ramp created less resistance than riding it up a hill. Riding her skateboard on _____ creates more heat (A) ramp (B) hill
Answer:
hill