Gravity and atmospheric pressure.
Gravity hold the moon in orbit
Tension and compression are the two forces that act upon a bridge.
Some forces that can act upon a moving object include friction, air resistance, gravity, and applied forces like pushing or pulling. These forces can affect the speed, direction, and motion of the object.
friction
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Some Forces do not involve physical contact between the bodies on which they act. -Jauan Williams 3182163642
The only forces that act on the earth's plates are the Sun, the Moon and the molten inner core of the earth itself.
No resultant forces act upon it
Two main forces act on Earth: gravity, which pulls objects toward the center of the planet, and friction, which opposes motion of objects on the Earth's surface. These forces play a crucial role in shaping and maintaining the Earth's environment and behavior.
Internal forces are stresses and changes inside the material or body. External forces act independently upon an object.
Gravity, Air resistence, friction and the push from the floor/table
As a meteor falls toward Earth, the main forces acting on it are gravity and air resistance. Gravity pulls the meteor downward, accelerating its descent. Air resistance, or drag, counteracts this motion by pushing against the meteor as it moves through the atmosphere, slowing it down. These forces together determine the meteor's speed and trajectory as it nears the Earth's surface.