6. What kind of friction occurs when an object rolls over a surface?
A. Sliding friction B. Fluid friction C. Rolling friction D. Static friction.
7. What kind of friction occurs when an object is not moving?
A. Rolling friction B. Sliding friction C. Fluid friction
D. Static friction.
8. What kind of friction occurs when an object moves through a liquid or gas?
A. Rolling friction B. Static friction C. Fluid friction D. Sliding friction
9. Who is a well-known scientist discovered gravity?
A. Isaac Newton B. Aristotle C. Charles Darwin
D. Albert Einstein
10. What is gravity?
A. force that pulls object on Earth B. the moonlight C. capacity to do work D. None
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Answers & Comments
Answer:
1.C
2.D
3.C
4.A
5.A
Explanation:
That's the answer.
Answer:
6.) C.
7.) D.
8.) C.
9.) A.
10.) D.