1.

A small mass attached to a string rotates on africtionless table top as shown. If the tension in thestring is increased by pulling the string causing theradius of the circular motion to decrease by a factorof 2, the kinetic energy of the mass will[AIPMT (Mains)-2011](1) Increase by a factor of 4(2) Decrease by a factor of 2(3) Remain constant(4) Increase by a factor of 2t of inertia l is rotating in a

Answer»


Discussion

No Comment Found

Related InterviewSolutions