1.Why does a car moving on a smooth highway progress faster than a car moving on a rough road?

A. The rougher the surface in contract, the greater the friction

B. The rougher the surface in contact, the lesser the friction

C. The smoother the surface in contact, the greater the friction

D. The smoother the surface in contact, the lesser the friction

2.Which of the following statement best describes friction?

A. It is a force that occurs between solids

B. It is a force occurs only on rough surfaces

C. It is a force that occurs between solids and liquids

D. It is a force that occurs when surfaces touch each other

3. if you pour oil a wooden surface, what will happen to the friction?

A. Be zero

B. Be reduced

C. Be increased

D. Remains the same

4. Friction that occurs when an object is at rest is known as___________.

A. static friction

B. kinetic friction

c. rolling friction

D. sliding friction

5. Which of the following has the greatest friction?

A. polished floor

B. Sandy floor

C. Wet floor

D. Tiled floor

Nonsense Answer - Report