If a book sitting on a flat table starts to move horizontally, it is most likely moving because
a balanced force is being applied. a frictional force is being exerted. an unbalanced force is being applied. a gravitational force is being exerted.
Question: If a book sitting on a flat table starts to move horizontally, it is most likely moving because
A. a balanced force is being applied.
B. a frictional force is being exerted.
C. an unbalanced force is being applied.
D. a gravitational force is being exerted.
Answer: