Just need to know net force, balanced or unbalanced and accelerated or not accelerated! look at picture :)

Answer:
3. Net force 65 N right
Unbalanced
Accelerate
4. Net force 4 N downish lol
Unbalanced
Accelerate
5. Net force 21 N left
Unbalanced
Accelerate
6. Net force 8 N down
Unbalanced
Accelerate
7. Net force 0 N
Balanced
Not accelerate
8.
Net force 0 N
Balanced
Not accelerate
Explanation:
Hope this helps!