6
QuizMultiple Choice

Newton's Laws of Motion

Question 6 • AA-F26 Physical Science

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

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

Explanation

Newton’s first law says an object remains at rest unless a net, or unbalanced, force acts on it. Therefore, the object begins to move when an unbalanced force acts upon it. Equal and opposite forces balance each other, so they do not change the object’s motion.

AI-written and checked against the verified answer.

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