inertia

Why is everything in the solar system spinning? And why do almost every rotation have the same direction?

Seawater is retained on Earth by gravity, the Moon and the Sun also have gravity for the earth. In particular, the Moon absorbs a mass of water on the ocean surface.

Three laws of Newton's motion can explain why humans cannot pedal a vehicle weighing several tons.

Normally when traveling on an accelerating car, the occupant will be pulled back, while if the car brakes quickly, the stifling person will be pushed forward.