10. You try to move a couch across the floor but it doesn't move. What is the other force acting on the couch?

A. only you
B. inertia
C. static friction (my answer)
D. kinetic friction

11. You finally get the couch in Problem 10 to move. What other force is acting on the couch now?

A. only you
B. inertia
C. static friction
D. kinetic friction (my answer)

Are these correct?

1 answer

both correct.

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