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Question

When an object undergoes acceleration


A
Its speed always increases
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B
Magnitude of velocity may remain constant
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C
It always falls towards the earth
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D
A force always acts on it
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Solution

The correct option is B Magnitude of velocity may remain constant
We know that acceleration is the rate of change of velocity, and velocity is a vector quantity which depends upon direction and magnitude both.
So, velocity may change by changing direction only.
So, it is possible that when an object undergoes acceleration magnitude of velocity may remain constant.
Therefore, B is the correct option.


Physics

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