0
bh^3/36
Wiki User
∙ 12y ago
Add your answer:
Earn +20 pts
What is formula of moment of inertia of you section beam?
The moment of inertia formula isIxx= bh3 / 12B= base H= height and Ixx = moment of inertia of a rectagular section about x-x axis.
How do you determine the moment of inertia?
How do to determine the moment of inertia of a cub
Mass moment of inertia of a disk?
Moment of Inertia of a disk (I) = 1/2MR2 Moment of Inertia of a disk (I) = 1/4MR2
What is the difference between mass moment of inertia and area moment of inertia?
mass moment of inertia is the property of the body to resist rotation about the given axis where as the area moment of inertia is the resistance to bending about the given axis
Must an object be rotating to have a nonzero moment of inertia?
moment of inertia is basically an objects resistance to its state of motion.
What is formula of moment of inertia of you section beam?
The moment of inertia formula isIxx= bh3 / 12B= base H= height and Ixx = moment of inertia of a rectagular section about x-x axis.
Why railway tracks are you-sections?
I section has more moment of inertia than any other sections like square or rectangular section. More moment of inertia implies more resistance to bending and hence stiffer.
Relation between tensile stressbending moment and section of modulus?
The relation between bending moment and the second moment of area of the cross-section and the stress at a distance y from the neutral axis is stress=bending moment * y / moment of inertia of the beam cross-section
Why I-beam's are preferable over rectangular beam's?
You just take an example as rect section with A=17.6*10=176 mm2 and your I section too has same area of 176 mm2. Calculate moment of inertia of rectangular section I = bd3/12 = 1466.66 mm4 For I section, Width of both flange = 20 mm, thickness of both flange = 4 mm, web length=16 mm, web thickness = 4mm. This gives you the same area A=176 mm2 Now Calculate moment of inertia of I section I =8938 mm4 (Do it from any online converter or by calculations) Now compare both Moment of inertia, I section has approx six times better moment of inertia as compared to rectangular section. Put up this moment of inertia values in deflection and bending stress equations and try to compare both. This is because the material is put up in such a way to get maximum moment of inertia with minimum material and min weight. Finally this is the reason why I beams are preferable over rectangular beams Once Put up this moment of inertia values in deflection and bending stress equations and try to compare both. you will get it in sec
Units of section modulus?
Section Modulus is moment of inertia divided by distance from center of gravity to farthest point on the cross-section or I/c. The units of Moment of Inertia is distance^4 so the units of section modulus is distance^3 ( distance cubed ). So if your units are in meters: I/c = (m^4)/(m) = m^3
How do you determine the moment of inertia?
How do to determine the moment of inertia of a cub
Mass moment of inertia of a disk?
Moment of Inertia of a disk (I) = 1/2MR2 Moment of Inertia of a disk (I) = 1/4MR2
What is the domensions for moment of inertia?
Dimensional formula of moment of inertia = [ML2T0 ]
What is meant by moment of inertia in Induction motors?
The second moment of a force is called as moment of inertia.
What is the difference between mass moment of inertia and area moment of inertia?
mass moment of inertia is the property of the body to resist rotation about the given axis where as the area moment of inertia is the resistance to bending about the given axis
What is the unit for a polar moment of inertia?
Moment of inertia has unit kg m2
Mass moment of inertia of a flywheel?
define moment of inertia§ I is the moment of inertia of the mass about the center of rotation. The moment of inertia is the measure of resistance to torque applied on a spinning object (i.e. the higher the moment of inertia, the slower it will spin after being applied a given force).
