Thread: bulbs and planting depth
View Single Post
  #8   Report Post  
Old 30-05-2009, 10:29 AM posted to sci.bio.botany
Sean Houtman[_2_] Sean Houtman[_2_] is offline
external usenet poster
  
First recorded activity by GardenBanter: May 2009
Posts: 25
Default not a thorough experimentation, Monique bulbs and planting depth
wrote in news:cd7a6d67-4104-40c9-afda-
:

I would be surprized if Newton's third law had nothing to do with
bulbs
getting deeper. But you have to do the experiment to find out.

How about you just try pushing a rope into some soil? You can also try
pulling a rope through soil.

Get two pots, put a rope through the hole in the bottom, then put dirt in
the pots. In one pot, try to push the rope into the soil. In the other,
pull it from the bottom. See which one gets the rope down into the soil
faster. To make it more interesting, make a knot in the rope to simulate
your bulb, now try the pushing and pulling experiment. See which method
moves the knot deeper faster. Try attaching weights to the ropes to
standardize the force you are applying, like use a 10 pound weight to push
the rope, and the same weight to pull it. This way you will see that the
force is the same, so the reaction should be the same, right? It better be,
otherwise we will have to get Newton to rewrite his 3rd law.

Sean

Reply With QuoteReply With Quote