The rock will compress as the stress applied increases with depth and it will break when it cannot withstand the stress.
The pressure or stress on the rock is defined as force per unit area of the rock which equally increases with depth. This can be expressed as follows;
[tex]P= \frac{F}{A}\\\\P = \rho gh[/tex]
where;
Thus, we can conclude that the stress on the rock will increase with increase in depth. The rock will compress as the stress applied increases with depth and it will break when it cannot withstand the stress.
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