Hello! I am working on a problem to resolve the balance
of forces on a seed (very small and disc shape) that is being
'captured' on the stream bank. The density of the seed is less than
water thus it is buoyant (making the problem different than sediment
deposition theory). I am assuming that the water is receding and the
capture of the seed is the result of friction forces overcoming the
pull force of the water. Would it be better to resolve this by thiking in
terms of Net force= driving force/resisting force or solving the shear forces?
Also, would surface tension or drag forces have to be considered?
Any thoughts would be greatly appreciate or literature suggestions!