define centripetal acceleration give its direction write the expression for centripetal acceleration if the time period of rotation of a body in a circular path is increased by 3 times then what is the effect on the centripetal acceleration
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Explanation:
A force required to make a body moves along a circular path with uniform speed is called centripetal Force.
It always acts along the radius and towards the center of the circular path.
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37
Answer:
A force required to make a body moves along a circular path with uniform speed is called centripetal Force.
It always acts along the radius and towards the center of the circular path.
as the time period is increased to 3 times then the angular velocity becomes 1/3 times.
and we know a=v²/r
hence the acceleration becomes (1/3)² times that is 1/9th times
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