Below you can find the It's the weakest of the 4 basic forces but it's strong enough to keep the moon orbiting the earth Jeopardy Words Answer. The answer to It's the weakest of the 4 basic forces but it's strong enough to keep the moon orbiting the earth has 7 letters. This clue belongs to the Science category and is part of Jeopardy Word Level 818. If you scroll near the bottom you will find other clues and answers part of level 818