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1 February, 05:37

If an object is moving at a constant speed in one direction, what is needed to change its speed or direction?

Answers (2)
  1. 1 February, 06:38
    Newton's 2nd law basically says that an object accelerates when a net forces act on it and velocity is speed in a particular direction. If a body accelerates, there is a change in velocity which means that either the speed or direction or speed and direction of the object changes.
  2. 1 February, 07:35
    A force is required to change speed and direction (Newton's First Law of Motion.)
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