Philip Wood's latest activity
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PPhilip Wood posted the thread Undergrad The Electric Displacement, ##\mathbf D## in Electromagnetism.We define ##\mathbf D## as ##\mathbf D=\epsilon_0\mathbf E + \mathbf P##, in which ##\mathbf E## is the electric field strength and...
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PPhilip Wood reacted to jbriggs444's post in the thread High School Are frictional forces action forces or reaction forces? with
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There is no distinction between an "action" and a "reaction" force. Neither is cause. Neither is effect. Neither is primary. Neither is... -
PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.Problems solved. Thank you so much for your help.
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.Sorry – I had technical problems. Please see amended post.
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.Sorry: I had problems using the site. Please see amended post.
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.Thank you for your suggestion. I'm not writing multiple lines of LaTex between double dollar and double dollar. I am enclosing between...
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.I know, but I can't find an 'edit' button, so I can't do anything about them.
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.I know this is the wrong place to ask, but I need help with this site and don't know where to find it... (a) I can't find the 'edit'...
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table."The portion of the chain that is sliding across the table will not be accelerating." Why can't it have the same |acceleration| as the...
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PPhilip Wood replied to the thread Chain falling out of a horizontal tube onto a table.This is a re-write of my original post – of which I am ashamed. Mechanical energy is lost, because of the inelastic collision between...