my DIY rock cave

  • We are currently upgrading MFK. thanks! -neo
ammerman19;715182; said:
and for all the people dissing your rocks are lighter underwater theory it called buoyancy people look it up.

Suppose a rock's weight is measured as 10 newtons when suspended by a string in a vacuum. Suppose that when the rock is lowered by the string into water, it displaces water of weight 3 newtons. The force it then exerts on the string from which it hangs will be 10 newtons minus the 3 newtons of buoyant force: 10 − 3 = 7 newtons.

I love it when he talks like that :naughty:

J/K!

Turned out nice!:clap
Good job!
 
midnight;717512; said:
thats what i was lookin to say :D

new owner,t marie.
doesnt let anyone else in it :D

i cant tell whats in there, what is it?
 
I've made a few tunnels that way. Seems to work well. You can see one in the left corner

SE_Tank_020207-1.jpg
 
I'm stealing your idea midnight :). I'm going to buy a bag of the river rocks and make like 8 when I get home :grinno: :headbang2
 
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