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Q: When the position of an object is continuously changing with time relative to an observer,
  • A. It is said to be he is at zero velocity
  • B. It is said to be he is dynamic condition.
  • C. It is said to have covered some distance
  • D. It is said that it is in a state of rest
Correct Answer: Option B - When an object position is continuously changing over time relative to an observer, it can be said that the object is moving or dynamic condition. OR We can say that object is in a state of motion, because object position changes with time.
B. When an object position is continuously changing over time relative to an observer, it can be said that the object is moving or dynamic condition. OR We can say that object is in a state of motion, because object position changes with time.

Explanations:

When an object position is continuously changing over time relative to an observer, it can be said that the object is moving or dynamic condition. OR We can say that object is in a state of motion, because object position changes with time.