Mechanical Engineering Exam > Mechanical Engineering Videos > Strength of Materials (SOM) > Introduction: Torsion
Introduction: Torsion Video Lecture | Strength of Materials (SOM) - Mechanical Engineering
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FAQs on Introduction: Torsion Video Lecture - Strength of Materials (SOM) - Mechanical Engineering
| 1. What is torsion? |  |
Ans. Torsion refers to the twisting or rotational deformation that occurs in an object when an external torque is applied to it. It results in the object undergoing a twisting motion around its axis.
| 2. What are the causes of torsion? | |
Ans. Torsion can be caused by various factors such as applied forces or torques, uneven distribution of mass, temperature gradients, or material properties. It can occur in structural elements like beams, shafts, or springs.
| 3. How is torsion calculated in engineering? | |
Ans. In engineering, torsion is calculated using the torsion formula, which is T = k * τ, where T is the torque applied, k is the polar moment of inertia of the cross-section, and τ is the shear stress induced within the material. This formula helps determine the degree of twisting a material will undergo.
| 4. What are the applications of torsion in real-life? | |
Ans. Torsion has various applications in real-life scenarios. For example, it is utilized in the design and analysis of helicopter rotor blades, propellers, and wind turbine blades. Torsion is also important in the stability and performance of vehicle suspensions, as well as in the functioning of torsion bar springs.
| 5. How does torsion affect the mechanical behavior of materials? | |
Ans. Torsion can significantly affect the mechanical behavior of materials. It can cause shear stress and shear strain within the material, leading to changes in its elasticity, strength, and deformation characteristics. Understanding torsional behavior is crucial for engineers in designing structures and components that can withstand torsional forces.
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Video Description: Introduction: Torsion for Mechanical Engineering 2025 is part of Strength of Materials (SOM) preparation.
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