9th Class
Science
Sample Paper
Science Olympiad Model Test Paper-1
question_answer
Calculate gravitational force between the earth and the moon. The mass of the earth is \[6\times {{10}^{24}}kg\]and that of the moon is \[7.4\times \text{1}{{0}^{22}}\,kg\]and distance between them is \[3.84\times {{10}^{5}}\]km.