True or False: Relative motion only occurs when the solid object and the RADAR are moving at different speeds.

Prepare for the North Carolina Basic RADAR Operator Test. Study with flashcards, multiple choice questions, hints, and explanations. Get ready for your exam!

Relative motion in the context of RADAR refers to the change in position of an object as observed from another moving or stationary object. For relative motion to occur, there has to be a difference in the speeds or directions of the two entities involved. If both the RADAR and the solid object are stationary, there would be no relative motion, as neither is changing position.

The statement is true in that relative motion is indeed dependent on the difference in speed between the RADAR and the object being observed. If both are moving at exactly the same speed and in the same direction, from the point of view of the RADAR, there would be no change in position of the object relative to it. Therefore, only when there is a disparity in their velocities can we observe relative motion.

This understanding is crucial for interpreting RADAR signals correctly, as the functionality of RADAR relies on detecting how objects move in relation to itself. Therefore, option A accurately captures the essence of relative motion in this context.

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