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NDA2015General AbilityGeneral ScienceActual

Which one of the following statements is not correct?

Options

  1. AIf the velocity and acceleration have opposite sign, the object is slowing down
  2. BIf the velocity is zero at an instant, the acceleration should also be zero at that instant
  3. CIf the velocity is zero for a time interval; the acceleration is zero at any instant within the time interval
  4. DIf the position and velocity have opposite sign, the object is moving towards the origin

Correct answer

B. If the velocity is zero at an instant, the acceleration should also be zero at that instant

Step-by-step solution

The correct answer is option B

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