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Physics-

General

Easy

Question

The graph of displacement-time for a body travelling in a straight line is given. We can conclude that

The velocity is constant
The velocity increases uniformly.
The body is subjected to acceleration from $O$ to $A$ .
The velocity of the body at $A$ is zero.

The correct answer is: The velocity of the body at $A$ is zero.

At the point $A$ , the tangent to the curve is parallel to time axis. So, velocity at $A$ is zero. But acceleration is not zero. Note that the displacement corresponding to the point $A$ is not zero.

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