Which situations contain unbalanced forces? Check all that apply.

Explanation:

Without seeing the options i can tell you this:

A balanced force is equal on both sides

The friction would equal the force

The amount on the left (friction side) would equal the amount on right (force side)

Or the net force would equal zero

You should post the answer options for more help

A book falls to the floor.

A car skids to a stop.

A foam ball launches

Explanation:

ice to water 1 water to vapour 2 latent heat