Learn about what physicists call a "fictitious force", on this Moment of Science.
Why don't lakes have tides as well? To answer this question, we need first to explore what causes ocean tides.
The most important part of a seat belt is the spool’s locking mechanism–a device that makes the belt hold tight in the unfortunate event of a crash. The locking mechanism is activated either by the car’s movement or by the belt’s movement.