3. Which of the following increases friction?
A. grease B. oil C. sand D. wax
4. Which of the following surfaces has the least amount of friction?
A. concrete B. glass C. grass D. wood
5. What type of friction occurs when an object is not moving?
A. fluid B. rolling C. sliding D. static
Answers
Answered by
1
Answer:
(B) oil increases friction
Answered by
0
Answer:
all are right no problem
Explanation:
Similar questions