- #1
jeff davis
- 55
- 13
- TL;DR Summary
- would a rope with a weight hanging on it have a cross sectional force?
Hello;
I have a quick question that has me thinking.
Please note that i don't much like working with imperial units because there is one too many polysemous words.
Say i had a 1 lb weight hanging on a 1in diameter rope. (rope weight neglected)
1. Could you say that at any perpendicular cross section of the rope have (approx) .785 PSI on it? The number is irrelevant i am just curious if that cross section force could be considered a "PSI".
2. pulling on a rope with psi or with lbs or with lbf?
3. would any perpendicular cross section be of the same psi if it is considered psi?
3. At what point is a force considered in its area unit opposed to just saying a pound is on there?
4. Why are we not weighed as PSI or similar instead of just pound?
I feel like at least once a year my mind rattles around the mass vs weight trap; and i blame it all on the use of the imperial system! And also my forgetful mind just a bit.
I have a quick question that has me thinking.
Please note that i don't much like working with imperial units because there is one too many polysemous words.
Say i had a 1 lb weight hanging on a 1in diameter rope. (rope weight neglected)
1. Could you say that at any perpendicular cross section of the rope have (approx) .785 PSI on it? The number is irrelevant i am just curious if that cross section force could be considered a "PSI".
2. pulling on a rope with psi or with lbs or with lbf?
3. would any perpendicular cross section be of the same psi if it is considered psi?
3. At what point is a force considered in its area unit opposed to just saying a pound is on there?
4. Why are we not weighed as PSI or similar instead of just pound?
I feel like at least once a year my mind rattles around the mass vs weight trap; and i blame it all on the use of the imperial system! And also my forgetful mind just a bit.