Physics for IGCSE & O level - Forces And Motion (Section 12 - No. 20)
In a circular motion, what is the role of the centripetal force?
To increase the speed of the object.
To change the direction of the object.
To decrease the speed of the object.
To keep the object at rest.
Объяснение
Centripetal force is the force that keeps an object moving in a circular path, changing its direction.