Assertion : an object may acquire acceleration even if it is moving at a constant speed.
Reason : with change in the direction of motion, an object can acquire acceleration.
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this is true reason for the assertion
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Answer:
This is the equation of a parabola. A parabola results when one quantity is proportional to the square of the other. When an object is moving with a constant velocity(zero acceleration), the displacement vs time graph is a straight line and its slope is velocity.
When an object is moving at a constant speed but its direction of motion changes, its velocity changes and thus acceleration is produced. Motion of an object in a circular path is such an example. In a uniform circular motion, the direction of motion of the object changes continuously and hence the velocity changes continuously even though the speed is constant.
Explanation:
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