For a particle performing uniform circular motion,
a. | the magnitude of particle velocity (speed) remains constant. |
b. | particle velocity remains directly perpendicular to the radius vector. |
c. | the direction of acceleration keeps changing as the particle moves. |
d. | angular momentum is constant in magnitude but direction keeps changing. |
Choose the correct statement/s:
1. | (c), (d) |
2. | (a), (c) |
3. | (b), (c) |
4. | (a), (b), (c) |
(4) Hint: Recall the concept of uniform circular motion.
Step 1: Recall the characteristics of the uniform circular motion.
For a particle performing uniform circular motion
(i) speed will be constant throughout.
(ii) velocity will be tangential in the direction of motion at a particular point.
(iii) acceleration , will always be towards the center of the circular path.
(iv) angular momentum (mvr) is constant in magnitude and direction/out of the plane perpendicularly, as well.
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