When an object moves around a circular track, the centripetal force is provided by the force that is directed towards the center of the circle. This force is responsible for keeping the object moving in a circular path rather than a straight line.

Here are some examples of what can provide the centripetal force:

* Gravity: For objects orbiting the Earth, like the Moon or a satellite, gravity provides the centripetal force.

* Tension in a string: If an object is swung in a circle on a string, the tension in the string provides the centripetal force.

* Friction: A car turning on a road experiences friction between the tires and the road that acts as the centripetal force.

* Normal force: An object moving in a vertical loop, like a roller coaster, relies on the normal force from the track to provide centripetal force.

Important Note: Centripetal force is not a separate force itself. It is the *name* given to the force that acts towards the center of the circular path. The actual force responsible can vary depending on the situation.