11. What is sliding friction?
A. It occurs between two surfaces that come in contact with each other.
B. It occurs in stationary objects or objects at rest.
C. It occurs between moving objects and a liquid or between an object moving in the
air.
D. It opposes the motion of the wheel turning along a surface.
12. What type of friction occurs when there is more force needed to travel an object in a
surface
than rolling Friction?
A. Static Friction
B. Fluid Friction C. Sliding Friction D. Air friction
13. The following statements are examples of sliding friction EXCEPT ONE. Which is
it?
A. A block being slid across the floor C. A glass being pushed across the table
B. Jeans on your legs when putting it on D. When a train goes around
14. Which type of friction opposes the sliding of objects over a surface?
A. Static Friction
C. Fluid Friction
B. Sliding Friction
D. Rolling Friction
15. Mucus produced by snails, help them move along the ground. How does the mucus
help snails move?
A. Mucus is cold.
C. Mucus reduces friction.
B. Mucus leaves a trail. D. Mucus makes the snail lighter.


can you help me here pls.
i need it now pls... ​