Answer:
The correct answer is B) Acted on by an unbalanced force.
Explanation:
Issac Newton created three vital laws of motion:
First Law: An object at rest will stay at rest, and an object in motion will stay in motion unless acted on by an unbalanced force.
Second Law: The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, in the same direction as the net force, and inversely proportional to the mass of the object.
Third Law: For every action (force) in nature there is an equal and opposite reaction.
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