Respuesta :
Answer:
the answer is B.
Explanation:
unbalanced force means unequal force when two personas are pushing an object on opposite sides, more force than the other. Unbalanced force DOES NOT mean 'constant'. Balanced forces are what's constant. It can cause a change in motion (in general), meaning that it can change an objects speed AND direction, not just speed, or moving it to the opposite side.