Futurama
The word you're looking for is "friction." It starts with the letter "f," is a physical force that opposes motion, and consists of eight letters. Friction plays a crucial role in everyday activities, such as walking or driving, by enabling grip and preventing slipping.
farcical
fakdihkh
Feeblish
Forgive
fascinate
momentum starts with the letter "M" and has 8 letters, while force starts with the letter "F" and has 5 letters.
Forrest Gump is a movie. It has 11 letters in the title.
Fred Perry
fish
Firehose
finality