Math Chapter Wise Statics And Dynamics English MCQ PGT 2005 Q.The x-coordinate of the centre of gravity of an arc bounded by x=a and x= b is given by Ax b x a x b x a ydx x dx = ∫ Bx b x a x b x a ydx x ds = ∫ Cx b x a x b x a yds x ds = ∫ DNone of these Show answer Correct answer: None of these