Geo-Scientist Prelims 2025 General Studies Q20: Which one of the following statements is *not* true?

Which one of the following statements is *not* true?

1. (a) The centripetal acceleration is always directed towards the centre.
2. (b) The motion of an object is called uniform circular motion if the object follows a circular path at a constant speed.
3. (c) The velocity vector of a particle at a point is always along the tangent to the path of the particle at that point.
4. (d) The net acceleration of a particle in circular motion is always along the radius of the circle towards the centre.