Answer to Question #141538 in Mechanics | Relativity for Bawe Bilanyuy

Question #141538

A small mass m is suspended from one end of a vertical string and then whirled in a horizontal circle at a constant speed v. (A) The string stays vertical (B) The string becomes inclined to the vertical (C) There is no force on m except its weight (D) The angle of inclination to the vertical of the string does not depend on v (E) The centripetal force is equal to the weight mg

Expert's answer

(D) The angle of inclination to the vertical of the string does not depend on v (E) The centripetal force is equal to the weight mg