Which of the following statements is true about an object? A. If the object is moving, eventually it will stop moving on its own. B. If the object is moving in a straight line, eventually it will change direction on its own. C. If the object is moving, it will keep moving until acted on by a force. D. If the object is not moving, eventually it will start moving on its own.
Question
Which of the following statements is true about an object? A. If the object is moving, eventually it will stop moving on its own. B. If the object is moving in a straight line, eventually it will change direction on its own. C. If the object is moving, it will keep moving until acted on by a force. D. If the object is not moving, eventually it will start moving on its own.
Solution
The correct statement is C. "If the object is moving, it will keep moving until acted on by a force." This is a fundamental concept in physics known as Newton's first law of motion or the law of inertia. It states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force. The other statements A, B, and D are generally not true unless specific forces act on the object.
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