एक निश्चित बीम AB पर एक त्रिकोणीय भार होता है, जो छोर A पर शून्य से लेकर छोर B पर W प्रति इकाई लंबाई तक भिन्न होता है। A से B पर निश्चित छोर आघूर्ण का अनुपात क्या है?

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  1. 1/3
  2. 1
  3. 2/3
  4. 3/2

Answer (Detailed Solution Below)

Option 3 : 2/3
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अवधारणा:-

दी गई आकृति दिए गए भारण के तहत निश्चित छोर आघूर्ण दिखाता है: -

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छोर A पर निश्चित छोर आघूर्ण

\(M_A=-{wL^2\over 30}\)

\(M_B={wL^2\over 20}\)

\(\frac{{{M_A}}}{{{M_B}}}\; = {{wL^2\over 30}\over{wL^2\over 20}} \;\frac{2}{3}\)

अत: आघूर्ण का अनुपात 2/3 होगा।

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