Which of the following statements is not correct? \( \mathrm{P} \) ...

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Which of the following statements is not correct?
\( \mathrm{P} \)
(a) During rolling, the instantaneous speed of the point of contact is zero.
W
(b) During rolling, the instantaneous acceleration of the point of contact is zero.
(c) For perfect rolling motion, work done against friction is zero.
(d) A wheel moving down a perfectly frictionless inclined plane will slip but not roll on the plane.
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