1. inertia
2. distance
3. displacement
4. force
5. balanced
6. I think it's looking for 'velocity', but the clue is an incorrect definition.
7. motion
I'm surprised that you couldn't answer any of these.
Please don't use these answers from me to fill in the blanks on the sheet and then hand it in. It's a mastery test, and you have not mastered this material.