Mechanical weathering-Results from physical forces reducing size of rock particles without changing the chemical nature of the rock Freezing& Thawing temperature changes abrasion of rock particles( caused by force that move and rub rock particles against each other O wind and moving water also move small particles and deposit them at now location, exposing new surface to the weathering process- temperature changes - abrasion of rock particles ( caused by force that move and rub rock particles against each other) - wind and moving water also move small particles and deposit them at now location,exposing new surface to the weathering process Mechanical weathering- Results from physical forces reducing size of rock particles without changing the chemical nature of the rock