Asked by: Chaoping Triaduasked in category: General Last Updated: 3rd March, 2020
Is centripetal force constant in uniform circular motion?
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Keeping this in view, is centripetal acceleration constant 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.
Additionally, what remain constant in uniform circular motion and what changes continuously in uniform circular motion? Since in an uniform circular motion, although the speed of body remains constant but the direction of velocity of the body changes continuously and hence the velocity of the body changes at every instant. Hence the body is said to be accelerated though the speed is constant in a circular path.
Furthermore, is centripetal force constant?
As the centripetal force acts upon an object moving in a circle at constant speed, the force always acts inward as the velocity of the object is directed tangent to the circle. In fact, whenever the unbalanced centripetal force acts perpendicular to the direction of motion, the speed of the object will remain constant.
Does circular motion have constant acceleration?
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.