Rotation 3 Question 5
11. A disc is rolling (without slipping) on a horizontal surface. is its centre and and are two points equidistant from . Let and be the magnitude of velocities of points and respectively, then
(2004)
(a)
(b)
(c)
(d) $v _Q
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Answer:
Correct Answer: 11. (a)
Solution:
- In case of pure rolling bottom most point is the instantaneous centre of zero velocity.
Velocity of any point on the disc,