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Newton's First Law of Motion states that an object continues in its state of rest or uniform motion in a straight line UNLESS:

AA net non-zero force acts upon it
BTime passes for more than 10 seconds
CA passenger inside it changes seat
DIts colour changes from white to red
Answer & Solution
Correct answer: A. A net non-zero force acts upon it
Newton's First Law (Law of Inertia): an object at rest stays at rest, an object in motion continues at constant velocity, UNLESS a net force acts upon it.
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