A body can execute circular motion only if there's a force acting on it, directed
towards the center of the circle. Without that force, circular motion isn't possible.
If you expected us to get into "centrifugal" force, forget about it. No such force exists.
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A body in uniform circular motion experiences a centripetal force directed towards the center of the circle, necessary to keep it moving in a curved path instead of moving in a straight line. This force is required to constantly change the direction of the body's velocity, causing it to accelerate towards the center of the circle.
In uniform circular motion, the force is directed towards the center of the circle, while the acceleration is directed towards the center as well.
The tension in the string provides the centripetal force for the mass in uniform circular motion in this experiment. This tension acts towards the center of the circular path, keeping the mass moving in a circular motion instead of following a straight line.
The centripetal force acting on a satellite in uniform circular motion around Earth is directed towards the center of Earth. This force is necessary to keep the satellite moving in a circular path instead of following a straight line.
Uniform linear motion is when an object moves in a straight line at a constant speed, while uniform circular motion is when an object moves in a circle at a constant speed. In uniform linear motion, the velocity remains constant in both magnitude and direction, whereas in uniform circular motion, the object's velocity remains constant in magnitude but changes direction constantly.
In uniform circular motion, the relationship between force and mass is described by the equation F m a, where F is the force acting on an object, m is the mass of the object, and a is the acceleration of the object. This equation shows that the force required to keep an object moving in a circular path is directly proportional to the mass of the object.