An earthquake occurs as two plates slide past each other along a fault line.
Epicenter
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Fault
Focus
Movement on fault
Which description best describes the forces involved at the
moment of an earthquake?
A. The tectonic forces overcome the force of friction between
the two plates resulting in an unbalanced force.
B. The tectonic forces between the two plates are balanced
with the fiction between them.
C. The friction between the plates is greater than the tectonic
forces pushing them past each other.
D. The inertia of motion between the plates results in a
balanced net force.