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n which of the following cases, the object does not possess an acceleration or retardation?Awhen it moves in upward direction with decreasing speedBwhen it moves in downward direction with increasing speedCwhen it moves with constant speed along circular pathDwhen it moves with constant speed along horizontal direction

Question

n which of the following cases, the object does not possess an acceleration or retardation?Awhen it moves in upward direction with decreasing speedBwhen it moves in downward direction with increasing speedCwhen it moves with constant speed along circular pathDwhen it moves with constant speed along horizontal direction

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Solution

The object does not possess an acceleration or retardation in the case "when it moves with constant speed along horizontal direction". This is because acceleration and retardation (deceleration) refer to changes in speed or direction. If an object is moving at a constant speed in a straight, horizontal line, its speed and direction are not changing. Therefore, it is not accelerating or decelerating.

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