Water is useful for reducing friction between objects. However you also learned that (due to friction) moving water causes rough rocks to become smooth. How can this be?

1 answer

Water in rivers can carry rocks through the water and rub them up against other rocks, which over long periods of time makes them smooth.
Similar Questions
  1. what kind of friction does a fish experience as it Swims through watera Sliding friction b Static friction c Rolling friction d
    1. answers icon 1 answer
  2. Examples of positive, negative and neutral friction?We always learned about friction as either being positive (tires gripping
    1. answers icon 0 answers
    1. answers icon 1 answer
    1. answers icon 1 answer
more similar questions