If there is no change in an object's velocity, the forces are what?

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Study for the California Science Test. Get ready for the 8th grade exam with flashcards and multiple choice questions, each question has hints and explanations. Prepare with confidence!

Multiple Choice

If there is no change in an object's velocity, the forces are what?

Explanation:
When an object's velocity doesn’t change, there is no net force acting on it. That means all the forces cancel out and the sum of the forces is zero, which describes balanced forces. If forces were unbalanced, there would be a net force and the object would accelerate, changing its velocity. Velocity is not a force, and air resistance is just one possible force; it only defines the motion state if it’s balanced by other forces so that the total force is zero.

When an object's velocity doesn’t change, there is no net force acting on it. That means all the forces cancel out and the sum of the forces is zero, which describes balanced forces. If forces were unbalanced, there would be a net force and the object would accelerate, changing its velocity. Velocity is not a force, and air resistance is just one possible force; it only defines the motion state if it’s balanced by other forces so that the total force is zero.

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