This question consists of two statements, choose the most appropriate answer from the
options given below
Statement I: Centripetal acceleration is always directed towards the center of rotation of an object undergoing uniform circular motion.
Statement II: Centripetal acceleration is a constant vector.
Text Solution
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Statement I is correct but Statement II is incorrect.
Centripetal acceleration 
For uniform circular motion, v and R are constant, the magnitude of the centripetal acceleration is constant. But the direction changes pointing always towards the center. Therefore, a centripetal acceleration is not a constant vector.
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