15 Example 8 A square of side 4 cmand uniform thic divided

Last updated: 6/7/2023

15 Example 8 A square of side 4 cmand uniform thic divided into four equal squares as shown in Fig 7 11 If one of the squares is cut off find the position of the centre of mass of the remaining portion from O 3m 9 OC AC 1 114 B Fig 7 11 Solution Let mass of each small square be m Total mass of the square will be 4m which acts at its centre of mass O Let O be CM of cut off square shaded square of mass m and O be CM of the remaining unshaded portion of mass 3 m Now AB BC 4 4 4 2 cm 4 2 2 2 2 cm 1 2 2 00 0c OC 2 cm 2