a. rolling friction
d. friction
b. fluid friction
e. static friction
c. gravity
f. sliding friction
11. Friction which occurs in stationary objects
12. It is a force that opposes motion between two
surfaces sticking or touching together
13. Force associated with the rotational movement of a
wheel or other circular objects along a surface.
Answers & Comments
Answer:
11.static friction
12.rolling friction
13.fiction