CBSE Class 11-science Answered
The speed of a particle of mass m, moving in a circle of radius r, is changing at a constant rate aT m/ s2. Write the expression for the magnitude of its instantaneous resultant acceleration. Can we say that the direction of this instantaneous resultant acceleration would be along the instantaneous (inward) radial acceleration
Asked by pranayshah1908 | 28 Feb, 2021, 12:18: PM
Expert Answer
If speed of particle moving in a circular path is chanigin at a constant rate aT , then tangential acceleration = aT
Speed of particle v by assuming speed is 0 at t = 0 is given as
Radial acceleration, aR = v2 / R
where R is radius of circular path
Resultant instantaneous acceleration a =
Instantaneous acceleration is not along the direction of radial accleration because radial acceleration and
tangential acceleration are perpendicular to each other.
Answered by Thiyagarajan K | 28 Feb, 2021, 03:04: PM
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