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GK QUESTION#2989

When an object’s speed or direction changes, it indicates which of the following?

  1. AVariation in its mass
  2. BChange in its state of motionCorrect answer
  3. CAlteration in its shape
  4. DModification in its temperature
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Answer

B. Change in its state of motion

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Explanation

Velocity includes speed and direction. A change in either means that the state of motion changes; it does not by itself imply a change in mass, shape or temperature.

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