jbriggs444's latest activity
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jbriggs444 reacted to A.T.'s post in the thread I 1:1 versus 2:1 Mechanical Advantage debate with
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The steps are irrelevant to the mechanical advantage. You can replace the human with a motor that continuously pulls itself up by... -
Yes, I think we all read it that way. @jbriggs444's point is that we have no info re the surface area of the reservoir, other than that...
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jbriggs444 reacted to jedishrfu's post in the thread I 1:1 versus 2:1 Mechanical Advantage debate with Like.
Your self-haul with a single fixed pulley has a 2:1 MA in the ideal case: half the force, twice the rope. The confusion clears the...
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Just remove the question from "defense contractors" and think about it for any job in engineering. The engineering challenges at, say...
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jbriggs444 replied to the thread Physics Problem on Tension in Water.The author has not given us the radius of the basin at the bottom. This is a hint that the radius is large enough to be irrelevant. From...