एक बिंदु पर प्रतिबल की स्थिति जब पूरी तरह से निर्दिष्ट होती है तो एक को निर्धारित करने के लिए सक्षम करती है

1.उस बिंदु पर अधिकतम अपरुपण प्रतिबल 

2. उस बिंदु वाले किसी भी स्वेच्छित समतल पर प्रतिबल घटक

उपरोक्त में से कौन सा सही है?

This question was previously asked in
ESE Mechanical 2016 Paper 2: Official Paper
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  1. केवल 1
  2. केवल 2 
  3. दोनों 1 और 2
  4. न तो 1 न ही  2

Answer (Detailed Solution Below)

Option 3 : दोनों 1 और 2
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Detailed Solution

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Concept:

The state of stress at a point when completely specified allows for the determination of both the maximum shearing stress at that point and the stress components on any arbitrary plane containing that point. This involves using the principal stresses and stress transformation equations or Mohr's circle.

Maximum Shearing Stress:
From the state of stress at a point, we can determine the principal stresses and then calculate the maximum shear stress. This is a fundamental concept in the analysis of stresses.

Stress Components on Any Arbitrary Plane:
By knowing the state of stress at a point, we can use transformation equations to find the stress components on any plane oriented at an arbitrary angle.

Conclusion:

Based on these principles, both statements are correct:

1. The state of stress at a point enables the determination of the maximum shearing stress at that point.

2. It also enables the calculation of stress components on any arbitrary plane containing that point.

Therefore, the correct answer is:

3) Both 1 and 2

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