Question

name the force that keeps the object moving in a circular path with constant speed what would happen if this force is absent

Answer 1

the force that keeps object moving in a circular path with constant speed is centripetal force and that is provided by gravitational acceleration and it is not be there so it will not be moving with a constant speed and will stop moving

Answer 2

Hey friend, here is your answer.
Centripetal force is the force which keeps the object moving in a circular path.
If this force is absent, then no object can move in a circular path.
Hoping that it will help you.