A rigid disk spins with a constant angular speed about its center

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

A rigid disk spins with a constant angular speed about its center. Points

P

Q

, and

R

lie along the same radius at distances

2\,\text{cm}

5\,\text{cm}

, and

8\,\text{cm}

from the center, respectively. Which ranking correctly orders the magnitudes of their linear speeds from greatest to least? (a)

P = Q = R

(b)

P > Q > R

(c)

R > Q > P

(d)

R > P > Q