From NCERT Solutions for Class 11 Physics Chapter 8, you can learn that the phrase “weight of the earth” does not mean anything when it’s used in relation to the gravitational field of the earth. It will only be possible to elucidate the earth’s weight by comparing it to the weight of another body. The gravitational force acting between the earth and the body will be able to determine the earth’s weight.Class 11 Gravitation NCERT solutions do an efficient job in explaining this concept.