How Does the Force of Gravity Affect Tectonic Plates?
The Main Driving Force of Plate Tectonics Is Gravity. If a Plate with Oceanic Lithosphere Meets Another Plate, the Dense Oceanic Lithosphere Dives Beneath the...
How Does The Force Of Gravity Affect Tectonic Plates??
The main driving force of plate tectonics is gravity. If a plate with oceanic lithosphere meets another plate, the dense oceanic lithosphere dives beneath the other plate and sinks into the mantle: this process is called subduction. … Such convection cells exist inside the Earth’s mantle.
How does the force of gravity act on the plates?
A major component is the downward gravitational force acting on the cold and dense descending slab as it sinks into the mantle. This gravity-generated force pulls the whole oceanic plate down as a result of the negative buoyancy of the slab: this is the negative buoyancy force, shown as FNB in Figure 28.
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