Question

Find the incorrect statement out of the following:

1 point

If acceleration = 0, motion is uniform

If acceleration = constant, acceleration is uniform but motion not

If acceleration = constant, both acceleration and motion are not uniform

Acceleration = constant, both acceleration and motion are uniform
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Answer 1

Answer:

I think option c is the incorrect one

Explanation:

Hope this helps you

Answer 2

Choice (D)Acceleration = constant, both acceleration and motion are uniform is incorrect.

Motion and acceleration

• In choice (A), a molecule can have zero speed increase yet have non-zero speed. This is the situation in a uniform movement where the item is moving at a steady speed. Speed increase suggests that there is a non-no adjustment of speed regarding time so in the event that the speed is consistent yet non-zero, the molecule can have zero speed increase. Consequently choice (A) is right.
• In choice (B), negative speed increase essentially suggests that the speed of the molecule is diminishing. Thus, choice (B) is inaccurate.
• In choice (C), zero speed doesn't suggest that the speed increase is zero. For e.g., when a ball is set free from a level, its speed will be zero yet the speed increase applied because of gravity will be non-zero so choice (C) is right.
• In choice (D), consistent speed doesn't suggest that speed increase is zero. For e.g., in a round movement, the speed of the item is consistent however the speed is non-zero due to the shift in course of the item. This infers that the speed increase of the item is non zero since the speed of the article changes with time, regardless of whether the speed is steady.

Consequently, choice (D)Acceleration = constant, both acceleration and motion are uniform is incorrect.

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