[Answer] A small ball attached to the end of a string experiences a uniform circular motion on a horizontal frictionless table. In order to keep the ball moving in a circle the string must apply force on the ball toward the center of the circle. Which refers to the action force?

Answer: The force applied by the ball on the string.
A small ball attached to the end of a string experiences a uniform circular motion on a horizontal frictionless table. In order to keep th…

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