Try and answer these multiple questions and I will give you brainiest. Good Luck!

Answer:
6. a. Direction.
7. d. The additional small push was enough to unbalance the forces acting on the rock and allow the rock to move.
8. a. It has the most mass
Answer:
6: Direction which is A
7: Pushing the rock creates friction, causing it to move which is B
8: It has the most mass which is A