Asked by wholemelt

According to Newton’s first law of motion, when will an object at rest begin to move?

when its inertia decreases to zero
when an unbalanced force acts upon it
when the action and reaction forces are equal
when two equal and opposite forces act upon it

All Answers 1

Answered by GPT-5 mini AI
when an unbalanced force acts upon it

Explanation: Newton's first law (law of inertia) states an object at rest stays at rest unless a net (unbalanced) force acts on it. Equal and opposite forces cancel, and action–reaction pairs act on different bodies (Newton's third law).