Below you can find the It's estimated that 20% of a car's power is spent overcoming this force created by the engine parts interacting with each other Jeopardy Words Answer. The answer to It's estimated that 20% of a car's power is spent overcoming this force created by the engine parts interacting with each other has 8 letters. This clue belongs to the Physics category and is part of Jeopardy Word Level 1857. If you scroll near the bottom you will find other clues and answers part of level 1857