question_answer

A thin circular disc-is rolling with a uniform linear speed along a straight path on a plane surface.

Consider the following statements in this regard:

1. All points of the disc have the same velocity.

2. The centre of the disc has zero acceleration.

3. The centre of the disc has centrifugal acceleration.

4. The point on the disc making contact with the plane surface has zero acceleration.

Of these statements:

A) 1 and 4 are correct         

B) 3 and 4 are correct

C) 3 alone is correct

D) 2 is alone is correct