russ_watters's latest activity
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russ_watters reacted to Filip Larsen's post in the thread I 1:1 versus 2:1 Mechanical Advantage debate with
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You mean the distinction where pulleys and ropes are not massless and pulleys has friction? In that case you must have skipped my post... -
russ_watters reacted to Stavros Kiri's post in the thread Stargazing Solar Activity and Space Weather Update thread with Like.
After a few days of relative quiet, the Solar Activity intensifies once again, as large groups of big to huge sunspots make their way to...
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russ_watters reacted to Filip Larsen's post in the thread I 1:1 versus 2:1 Mechanical Advantage debate with Like.
To put it short, with a 2:1 ratio you do half the load, but then have to do it twice as long to perform the same amount work. Or put...