A force that keeps an object moving in a circle is called?thank you

1 answer

To continue moving in a circle requires an inward directed force from tension in a string or banking of a curve because the object is continually accelerating toward the center. If you let it go, it would go in a straight line.
The constant acceleration toward the center is called:
CENTRIPETAL ACCELERATION
and must be provided by a
CENTRIPETAL FORCE