A disc of radius  rolls on a horizontal ground with linear acceleration  and angular acceleration  as shown in Figure. The magnitude of acceleration of point  asshown in the figure at an instant when its linear velocity is  and angular velocity is  will be a) b) c) d)

Question ID - 100191 :- A disc of radius  rolls on a horizontal ground with linear acceleration  and angular acceleration  as shown in Figure. The magnitude of acceleration of point  asshown in the figure at an instant when its linear velocity is  and angular velocity is  will be a) b) c) d)

3537

(a)

FBD of point

In the earth frame, we have

So, resultant =

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A small object of uniform density rolls up a curved surface with an initial velocity . It reaches up to a maximum height of w.r.t. the initial position. The object is

 a) Ring b) Solid sphere c) Hollow sphere d) disc