Pressure and weight influence friction While the friction of two surfaces can be measured, the friction can be increased or decreased by increasing or decreasing the weight or pressure between the two.
(the friction of two surfaces; can be measured; ) (the friction; can be increased; ) (the friction; decreased; by increasing or decreasing the weight or pressure between the two)
the friction of two surfaces the friction the friction
can be measured can be increased decreased
by increasing or decreasing the weight or pressure between the two