If a force is applied in the opposite direction of an object's motion, the speed will __________.

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Study for the Ohio 5th Grade Science OST Test. Prepare with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

If a force is applied in the opposite direction of an object's motion, the speed will __________.

Explanation:
When a force acts opposite to the way the object is moving, it slows the object down. This opposite force creates acceleration in the opposite direction to the motion, so the velocity decreases in magnitude. If the force keeps acting long enough, the object can come to a stop and then start moving the other way. So the speed decreases. It wouldn’t increase or stay the same under a braking force, and changing direction would only happen after the speed has dropped to zero.

When a force acts opposite to the way the object is moving, it slows the object down. This opposite force creates acceleration in the opposite direction to the motion, so the velocity decreases in magnitude. If the force keeps acting long enough, the object can come to a stop and then start moving the other way. So the speed decreases. It wouldn’t increase or stay the same under a braking force, and changing direction would only happen after the speed has dropped to zero.

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