Which situations contain unbalanced forces? Check all that apply.
A book rests on a table.
A book falls to the floor.
A car skids to a stop.
A duck floats on a pond.
A balloon hangs in midair.
A foam ball launches from a spring.
These situations contain unbalanced forces:
- A book falls to the floor.
- A car skids to a stop.
- A foam ball launches from a spring.