The Moon's mass is 7.34x10^22 kg, and it is 3.8x10^8 m away from Earth. Earth's mass is 5.97x10^24 kg. (a) Calculate the gravitational force of attraction between Earth and the Moon. I already did that. It's 2.01e+20. (b) Find Earth's gravitational field at the Moon. This is the part I'm having trouble with. Could someone please explain to me how to do this?