![]() ![]() Normal stress is of two types tensile and compressive stress.ġ3. The stress which acts in a direction perpendicular to the area is called _Įxplanation: Normal stress acts in a direction perpendicular to the area. What will be the maximum normal stress in the column at B in the larger diameter column if the ratio of P/A here is unity?Įxplanation: Normal stress at B = Total load acting at B / Area of a cross-section at Bġ2. In the given figure a stepped column carries loads. What is the mass MOI of right circular cone of radius R and height H about its axis?Įxplanation: The mass MOI of right circular cone of radius R and height H about its axis is 3MR 2/10.ġ1. What is the mass MOI of a rectangular plate about x-axis passing through the C.G of the plate if the y-axis is parallel to d and perpendicular to b?Įxplanation: As the mass MOI is to be find along the x-axis, it would be Md 2/12.ġ0. What is mass moment of inertia of circular plate?Įxplanation: The mass moment of inertia of circular plate is Mr 2/4.ĩ. ![]() What is the unit of mass moment of inertia?Įxplanation: The mass moment of inertia is the product of moment of inertia and area. What is the product of the mass and the square of the distance of the center of gravity of the mass from an axis?Įxplanation: The product of the mass and the square of the distance of the center of gravity of the mass from an axis is known as the mass moment of inertia about that axis.ħ. and parallel to the base?Įxplanation: The moment of inertia of a triangular section about an axis passing through C.G. What is the moment of inertia of a triangular section about an axis passing through C.G. What is the moment of inertia of a triangular section about the base?Įxplanation: The moment of inertia of a triangular section about the base is bh 3/12.ĥ. What is the moment of inertia of a rectangular section about an horizontal axis passing through base?Įxplanation: The moment of inertia of a rectangular section about an horizontal axis passing through base is bd 3/3.Ĥ. What is the moment of inertia of a rectangular section about an horizontal axis through C.G?Įxplanation: The moment of inertia of a rectangular section about an horizontal axis through C.G is bd 3/12.ģ. What is the moment of inertia of a circular section?Įxplanation: The moment of inertia of a circular section is πD 4/64.Ģ. ![]() If we orient the L-section, so that the vertical leg becomes horizontal, then the resulting shape is similar in form with the originally oriented one.1. The plastic section modulus around y axis can be found in a similar way. ![]() The area A and the perimeter P of an angle cross-section, can be found with the next formulas: ![]()
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