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Convection cells of magma, circular currents of heating and cooling which increases (cooling) or decreases (heating) density. The Circular motion pulls the plates (away )apart at one point which results with a counter motion of the plates "pushing" into other plates which pushes into another plate so on and so forth.

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What force pushes upward on the continental crust What force pushes downward?

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The force that occurs when one object pushes against another object is called contact force. This force can be exerted through direct physical contact between the objects.


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When one object pushes or pulls another object, the first object is exerting a force on the second object. This force can cause a change in the motion or shape of the second object, depending on the direction and magnitude of the force applied.


What is the term for the force exerted by an object when it is pushed by another object?

The term for the force exerted by an object when it is pushed by another object is "contact force" or "applied force." This force occurs when one object comes into direct contact with another object and pushes or pulls it.


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