balanced forces. unbalanced forces. equal and opposite reactions. objects in motion.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: In a lab investigation, a student notes that two metal blocks have the same mass. Based on this observation, if the two blocks were put on opposite sides of a balance, they would best represent
Possibilities:
- balanced forces.
- unbalanced forces.
- equal and opposite reactions.
- objects in motion.

balanced forces.