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
A B C D
balanced forces. unbalanced forces. equal and opposite reactions. objects in motion.
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
(A) balanced forces.
(B) unbalanced forces.
(C) equal and opposite reactions.
(D) objects in motion.

Answer: (A) balanced forces.
Answer: (C) equal and opposite reactions.
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
(A) balanced forces.
(B) unbalanced forces.
(C) equal and opposite reactions.
(D) objects in motion.
Answer: (A) balanced forces.