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chetzread
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Homework Statement
from the equation r = n+3 , some notes stated n = number of hinges , while some book stated n as number of joints ...Which is true ?
Homework Equations
The Attempt at a Solution
taking the example 3.1 , if it's number of joints , then there are 1 hinge (pin) , right ? I don't really understand the notes on the internet ... What does joints in beam mean ?
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