Which response accurately describes a balanced force?
question 7 options:
a. a 25-n force acts on the left side of the marble at the same time as a 25-n force acts on the right side of the marble.
b. a marble resting on the sidewalk suddenly begins to roll downhill without being touched.
c. a 2-n force presses down on the marble at the same time as a 1.5 n-force presses up on the marble.
d. a marble rolling downhill suddenly comes to rest at a garden wall.