Question:
For a particle performing uniform circular motion, choose the incorrect statement from the following.
For a particle performing uniform circular motion, choose the incorrect statement from the following.
Updated On: Jul 6, 2022
- Magnitude of particle velocity (speed) remains constant
- Particle velocity remains directed perpendicular to radius vector
- Direction of acceleration keeps changing as particle moves
- Magnitude of acceleration does not remain constant
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The Correct Option is D
Solution and Explanation
For a particle performing uniform circular motion, magnitude of the acceleration remains constant
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Notes on Motion in a plane
Concepts Used:
Motion in a Plane
It is a vector quantity. A vector quantity is a quantity having both magnitude and direction. Speed is a scalar quantity and it is a quantity having a magnitude only. Motion in a plane is also known as motion in two dimensions.
Equations of Plane Motion
The equations of motion in a straight line are:
v=u+at
s=ut+½ at2
v2-u2=2as
Where,
- v = final velocity of the particle
- u = initial velocity of the particle
- s = displacement of the particle
- a = acceleration of the particle
- t = the time interval in which the particle is in consideration