General Studies · Strength of Materials
अपने स्वयं के वजन के कारण समान अनुप्रस्थ काट क्षेत्रफल A और लंबाई L वाले बार का बढ़ाव (elongation) इस प्रकार दिया जाता है: [बार सामग्री का घनत्व = ρ, प्रत्यास्थता गुणांक = E, गुरुत्वाकर्षण के कारण त्वरण = g]
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- 1ρ g L22E✓
- 2ρ g L26E
- 3ρ g L2E
- 4ρ g L24E
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ρ g L22E
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