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Q:

Which of the following is correct about uniform acceleration?

  • 1
    An object moving on friction-less surface can gain uniform acceleration.
  • 2
    An object under free fall is an example of uniform acceleration.
  • 3
    An object moving with constant speed is an example of uniform acceleration.
  • 4
    Motion of a spring is an example of uniform acceleration.
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Answer : 2. "An object under free fall is an example of uniform acceleration."
Explanation :

1. The change in velocity of an object at equal time intervals is called uniform acceleration.

2. A freely falling object is an example of uniform acceleration.

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