car increasing speed. bus parked in a garage. ball kicked along a flat surface. roller coaster slowing down on an incline.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: The best example of balanced forces is a
Possibilities:
- car increasing speed.
- bus parked in a garage.
- ball kicked along a flat surface.
- roller coaster slowing down on an incline.

bus parked in a garage.