Question

In a metre rod half is made up of copper and half is made up of steel, weight of Copper and steel rods are 9 Newton and 8 Newton .find the exact location of centre of gravity

Answer 1

if the ratio of weights is 9:8

then ratio of the length is 8:9

hence the length of the center of gravity is 8/8+9 times the length of rod .

thus , the center of gravity is located at 8/17 of the length of rod .