Tangential to the circular path.
Explanation
In uniform circular motion, an object travels at a constant speed, but its direction of motion changes continuously. At any given instant, the velocity vector of the object is directed along the tangent to the circular path at that point.Detailed Analysis:
- Role of Centripetal Force: For an object to move in a circle, a centripetal force must act on it, directed towards the center. This force is responsible for constantly changing the direction of the velocity to keep the object on the curved path.
- Effect of Release: When the stone is released, the external agent providing the centripetal force (such as tension in a string) ceases to act.
- Application of Newton's First Law: According to the Law of Inertia (Newton's First Law of Motion), an object in motion continues to move in a straight line with uniform velocity unless acted upon by an external force.
- Trajectory: Since the direction of velocity at the exact moment of release is tangential to the circle, the stone retains this direction due to inertia and moves in a straight line along the tangent.
Key Takeaway: The instantaneous velocity in circular motion is always tangential. Upon the removal of the centripetal force, inertia causes the object to continue moving along this tangential path.