### Discussion :: Strength of Materials - Section 1 (Q.No.2)

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Shibu said: (Dec 13, 2012) | |

How to find the answer? |

Nilesh said: (Mar 4, 2013) | |

Bending stress is inversely proportional to moment of inertia. |

Lalit said: (Mar 23, 2013) | |

Cripling or buckling load is directly proportional 2 moment of iertia of a body. So if moment of inertia decreases buckling load also decreases. And at less load column will buckle. |

M.Zee said: (May 27, 2013) | |

What is a buckle? |

K.Aravind said: (Jun 7, 2013) | |

The equation relating the buckling load and the moment of inertia is. P=pi^2*EI/l. So when I decreases the the load required for buckling also decreases thus gets deformed at a very low load. Here l is the effective load. |

Prasad Gandole said: (Jul 29, 2013) | |

Area Moment of Inertia or we can say second moment of area is defined as the resistance to bending. So more the area moment of inertia, less will be the bending. Hence in the direction of bending the beam has minimum area moment of inertia. |

Ravinder Saini said: (Aug 25, 2013) | |

Minimum moment of inertia because bending moment is inversely proportional to moment of inertia. |

Parikshit said: (Sep 15, 2013) | |

Bending stress = (moment*least lateral dimension)/moment of inertia. F = M*B/I. If bending stress(F) increases when M.I. Increases therefore it will buckle along minimum M.I. |

Anand G G said: (Oct 8, 2013) | |

Moment of inertia is inversely proportional to bending so column will buckle in the direction of the axis which has least moment of inertia. |

Ashish said: (Jan 20, 2014) | |

Buckling takes place about minimum radius of gyration or least moment of inertia. |

Girijesh Verma said: (Mar 5, 2014) | |

The force is applied on the column then just buckle is known as buckling load. Buckling load is depend on the deflection of beam. |

Rajneesh Agrahari said: (Aug 28, 2014) | |

Column is always buckle to the axis of load about vertical direction. |

Sheshi Varimadla said: (Sep 10, 2014) | |

What is the meaning of buckling? |

Kannan said: (Oct 25, 2014) | |

What is buckling? |

Nitin Patel said: (Nov 7, 2014) | |

Beam will be buckle with respect to axis which having least moment of inertia. |

Rishi Chauhan said: (Nov 18, 2014) | |

You can say in simple words the moment of inertia is inversely proportional to bending stress. |

Navneet Gupta said: (Dec 4, 2014) | |

Buckling occurs with least radius of gyration hence option D is the correct. |

Azh said: (Dec 27, 2014) | |

Buckling simply is the bending that occurs due to compression. |

Vishnu said: (Jan 8, 2015) | |

Buckling occur due to vertical load is applied on the component when it is in horizontal position. |

Pratik said: (Apr 19, 2015) | |

What will be the basic difference between buckling and bending? |

Skandhamitra said: (Apr 29, 2015) | |

Moment of inertia is tendency of a body to resist angular acceleration. Buckling means A body leading towards a failure mode. Maximum moment of inertia resits this buckling because it is its tendency. So minimum moment of inertia only leads to buckling. Buckling and bending are similar in that they both involve bending moments. In bending these moments are substantially independent of the resulting deflections, whereas in buckling the moments and deflections are mutually inter-dependent. So moments, deflections and stresses are not proportional to loads. |

Ashish said: (Oct 19, 2015) | |

Buckling is sudden sideways failure of a structure subjected to high compressive stress. It occurs due to bifurcation (small change in parameter causes sudden change in behavior). |

Pravin said: (Jun 24, 2016) | |

Option C should be the answer C because buckling load is proportional to moment of inertia. |

Parmesh Narayan said: (Jun 26, 2016) | |

What is meant by buckling? First describe this. |

Rajamugesh said: (Jul 23, 2016) | |

Moment of inertia refers to the resistance offered to the rotation along the axis. Consider the whole body rotating and there is aportion which has minimum moment of inertia. So it cannot resist the rotational motion and hence starts to buckle. |

Tejaswini Gangurde said: (Jul 31, 2016) | |

What is buckle? Explain this. |

Leka said: (Aug 8, 2016) | |

What is practical meaning of moment of inertia? |

Prasad Arya said: (Sep 1, 2016) | |

How buckling is related to the moment of inertia? |

Sathish said: (Sep 4, 2016) | |

Can anyone say clearly what is buckling? |

Manohar said: (Sep 25, 2016) | |

Due to its size, its axial displacement is going to be very small compared to its lateral. Deflection called buckling. |

Ranjan Kumar said: (Oct 11, 2016) | |

Why be take minimum value of moment of inertia about x-axis and y-axis in determining buckling load of built-up section? |

Srikanthbr said: (Feb 17, 2017) | |

Buckling means rotating of any object by some angle about an axis. Eg. In crane, you may have seen a hook which lifts the load. |

Vijay said: (Mar 7, 2017) | |

Can anyone say the difference between bending & buckling? |

Shanty said: (Mar 14, 2017) | |

Why we must take the least second moment of inertia in calculating value of radius of gyration? |

Sandeeprevoju said: (Mar 15, 2017) | |

According to Euler's formula, Critical load that can be applied for bucking to occur is (n*pi^2*E*I)/L^2. The Critical load is proportional to Moment of inertia. So buckling occurs easily on low Moment of inertia side. |

Manien93@Gmail.Com said: (Nov 14, 2017) | |

Buckling: Sudden failure of column in lateral direction is called Buckling. It occurs when the Euler's critical load (n*pi^2*E*I)/L^2 is less than allowable compression load. Moment of inertia. Tendency to resist angular acceleration. So from above two definition it is clear that when moment of inertia is low , then the column is more vulnerable to buckling as it couldn't resist much of lateral movement. Answer D. clear ;) |

Keshav said: (Feb 6, 2019) | |

It is easy to understand. Say which column will be easy to bend ? Where inertia is less. |

Hit Man said: (Dec 6, 2019) | |

Moment of inertia generally means the inertia due to movement. If the moment of inertia is less the force required to change its state of rest will be less. So the direction with less moment of inertia is easy to buckle. |

Mpv Ramesh said: (Feb 15, 2020) | |

A column will tend to buckle in xx, yy, is minimum MOI because the moment of inertia is the same about in xx and yy directions. When MOI is different in x-axis and y-axis then the MOI MAXIMUM. |

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