Question
What net torque is required to give a uniform 12-kg solid ball with a radius of 0.22m an angular acceleration of 12rad/s2 ?
Answers
Elena
τ=Iε=(2mR²/5)ε=
=2•12•0.22²•12/5 =2.79 N•m
=2•12•0.22²•12/5 =2.79 N•m