An object undergoing uniform circular motion is moving with a constant speed. Nonetheless, it is accelerating due to its change in direction. Yet, with the inward net force directed perpendicular to the velocity vector, the object is always changing its direction and undergoing an inward acceleration.Click to see full answer. Then, is radial acceleration constant in uniform circular motion?The magnitude of radial acceleration is constant but not the direction. And thus radial acceleration is not constant in uniform circular motion. If a body travels along a circular path with a uniform speed, then what is its acceleration?Beside above, what is the acceleration in uniform circular motion? Centripetal acceleration,which is responsible for the change in direction given by a=v^2/r. Now in UNIFORM CIRCULAR MOTION(UCM), the magnitude of velocity is constant but the direction varies, which means the angular velocity or speed is constant,hence the tangential acceleration is zero. Also to know is, what remains constant in uniform circular motion? uniform of circular motion refers to situation in which the object is constrained to move in a plane such that its speed v and distance from a fixed point remain constant . this also means the angular velocity vector w remains constant as well as magnitude centrifugal force.Is the acceleration of an object in circular motion ever zero?The direction changes due to the centripetal acceleration which is radially inward. Thus, the net acceleration in the case of uniform circular motion is perpendicular to the velocity. (a) The acceleration of the particle is zero. (b) The rate of change of speed equals the magnitude of the rate of change of velocity.