The centres of Earth and Moon are 3.84×10^8 m apart
PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences
Problem
The centres of Earth and Moon are 3.84×10^8 m apart. Earth’s mass is 6.0×10^24 kg and the Moon’s mass is 7.4×10^22 kg. Find the distance from the Moon’s centre (along the line joining the two centres) where the gravitational field due to the two bodies exactly cancels.