Math Chapter Wise Statics And Dynamics English MCQ UPPSC GIC 2021 UKSSSC LT 2020 Q.The radial component of acceleration of particle moving in a plane curve is- A../s B2r r θ + θ ɺ ɺɺ ɺ C2 s p ɺ D2 r r − θ ɺ ɺɺ Show answer Correct answer: 2 r r − θ ɺ ɺɺ