I have looked all over my geo book and on line and cant find out how groundwater erodes bedrock and the result of this erosive power so if any one can help thank you
Groundwater is somewhat acidic and this acid dissolves calcium carbonate (widely found in rocks all over the world) in rocks like limestone, (CaCO3). The water then filters through the cracks and joints in the rock, carrying the mineral out of the rock. This causes cavities within the strata (rock layer) which allows more water to filter through, and even more calcium carbonate to dissolve. It's a nasty, repetitive cycle.
your brake lever could be set too tight, that would continuously add pressure, or ur cyclinder might be messed
If the bedrock is a carbonate rock (such as limestone or dolomite) then groundwater containing weak acids will slowly dissolve the rock, creating caverns and sinkholes