Podcast
Questions and Answers
What does rubbing your hands together create?
What does rubbing your hands together create?
What causes more heat?
What causes more heat?
What happens when a ball is rolled on a smooth surface?
What happens when a ball is rolled on a smooth surface?
What happens when a ball is rolled on a rug?
What happens when a ball is rolled on a rug?
Signup and view all the answers
What increases friction more than a smooth surface?
What increases friction more than a smooth surface?
Signup and view all the answers
Why does rolling a ball on a rug require more force than rolling it on a smooth surface?
Why does rolling a ball on a rug require more force than rolling it on a smooth surface?
Signup and view all the answers