Exogenous forces are those natural forces that are "destructive" (reductive) and wear down surface formations on the planet. These forces include geologic disruptions (earthquakes, landslides) and...
Electromagnetic force is greater because in microscopic theories usually gravitational force is neglected and we can attract a pin from the ground by electro magnet easily yet smaller in size, both...
Velocity is continually changing direction if not speed. This means an orbiting object is accelerating and the direction of acceleration is toward the center. In fact, centripetal means "center...