- published: 14 Dec 2010
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The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body determines the torque needed for a desired angular acceleration about a rotational axis. It depends on the body's mass distribution and the axis chosen, with larger moments requiring more torque to change the body's rotation. It is an extensive (additive) property: the moment of inertia of a composite system is the sum of the moments of inertia of its component subsystems (all taken about the same axis). One of its definitions is the second moment of mass with respect to distance from an axis r, , integrating over the entire mass
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For bodies constrained to rotate in a plane, it is sufficient to consider their moment of inertia about an axis perpendicular to the plane. For bodies free to rotate in three dimensions, their moments can be described by a symmetric 3 × 3 matrix; each body has a set of mutually perpendicular principal axes for which this matrix is diagonal and torques around the axes act independently of each other.
Moment of Inertia Explained
Walter Lewin demonstrates moment of inertia
Moment Of Inertia
Moment of Inertia Examples
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Explanation of the moment of inertia and rotational motion By James Dann, Ph.D., People's Physics Book, for ck12.org CC-BY-NC-SA
Follow us at: https://twitter.com/TutorVista Check us out at http://physics.tutorvista.com/rotational-dynamics/moment-of-inertia.html Define Moment of Inertia We can define the moment of inertia of a body about the given axis of rotation is the sum of the products of the masses of all the constituent particles and the square of the perpendicular distances of these particles from the axis of rotation. The moment of inertia of a body about the particular axis of rotation depends on the following factors: (i) The moment of inertia depends on the position of the axis of rotation. (ii) The moment of inertia depends on the orientation of the axis of rotation. (iii) The moment of inertia depends on the shape of the body. (iv) The moment of inertia depends on the size of the body. (v) The...
Examples of calculating moment of inertia of compound shapes
...but why does an ice skater spin faster when she pulls in her arms?
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A brief introduction to moment of inertia (rotational inertia) for calculus-based physics students. For more information or help, check out http://APlusPhysics.com. You can follow this video's discussion thread for questions and comments at http://aplusphysics.com/community/index.php/topic/1489-video-discussion-ap-physics-c-moment-of-inertia/#entry2007. Table of Contents: 00:08 - Objectives 00:39 - Types of Inertia 01:30 - K of a Rotating Disc 04:08 - Calculating Moment of Inertia (I) 04:24 - Moment of Inertia for Common Objects 05:06 - Calculating I: Point Masses 07:09 - Calculating I: Uniform Rod 11:23 - Calculating I: Solid Cylinder 15:26 - Parallel-Axis Theorem (PAT) 16:36 - Calculating I Using PAT 18:12 - More Information
Visit http://ilectureonline.com for more math and science lectures! In this first of the six-part video I will introduce the concept of moment of inertia, later I will derive equations and solve problems of moment of inertia.
Rotating Rigid Bodies - Moment of Inertia - Parallel Axis and Perpendicular Axis Theorem - Rotational Kinetic Energy - Fly Wheels - Neutron Stars - Pulsars Lecture Notes, Flywheel Technology: http://freepdfhosting.com/5e0ffb03a1.pdf Assignments Lecture 19 and 20: http://freepdfhosting.com/4a64566212.pdf Solutions Lecture 19 and 20: http://freepdfhosting.com/972f51a6e8.pdf
Here's how to calculate area moment of inertia of a beam with a T cross-section. I show you how to find the centroid first and then how to use the centroid location to find area moment of inertia.
http://www.physicsgalaxy.com Learn complete Physics Video Lectures on Rigid Body Dynamics for IIT JEE by Ashish Arora. This is the most comprehensive website on Physics covering all the topics in detail. No wonder, in its trial run itself, this one of its kind website topped the world ranking on Physics learning. To keep yourself updated about physics galaxy activities on regular basis follow the facebook page of physics galaxy at https://www.facebook.com/physicsgalaxy74 The website, aimed at nurturing grasping power students, has classroom lectures on almost all the topics. It is an outcome of 23-year long toil of Physics expert who has made it a mission to simplify the complexities of Physics. Ashish Arora, the brain behind this interactive unique website, has all his lectures availa...
http://www.physicsgalaxy.com Learn complete Physics Video Lectures on Rigid Body Dynamics for IIT JEE by Ashish Arora. This is the most comprehensive website on Physics covering all the topics in detail. No wonder, in its trial run itself, this one of its kind website topped the world ranking on Physics learning. To keep yourself updated about physics galaxy activities on regular basis follow the facebook page of physics galaxy at https://www.facebook.com/physicsgalaxy74 The website, aimed at nurturing grasping power students, has classroom lectures on almost all the topics. It is an outcome of 23-year long toil of Physics expert who has made it a mission to simplify the complexities of Physics. Ashish Arora, the brain behind this interactive unique website, has all his lectures availa...
About Civil Engineering Portal Civil Engineering Portal provides the guides for the civil engineering students. we are provides video lectures along with text format theory on our website : educivilcorp.blogspot.in. we are try to be helpful for civil engineering students to clear the concept of subjects to which they are deals with in civil engineering.
About Civil Engineering Portal Civil Engineering Portal provides the guides for the civil engineering students. we are provides video lectures along with text format theory on our website : educivilcorp.blogspot.in. we are try to be helpful for civil engineering students to clear the concept of subjects to which they are deals with in civil engineering.
About Civil Engineering Portal Civil Engineering Portal provides the guides for the civil engineering students. we are provides video lectures along with text format theory on our website : educivilcorp.blogspot.in. we are try to be helpful for civil engineering students to clear the concept of subjects to which they are deals with in civil engineering.
About Civil Engineering Portal Civil Engineering Portal provides the guides for the civil engineering students. we are provides video lectures along with text format theory on our website : educivilcorp.blogspot.in. we are try to be helpful for civil engineering students to clear the concept of subjects to which they are deals with in civil engineering.
Have you ever tried to size a replacement motor on an existing machine but didn't have all of the machine parameters to determine the load inertia? In this Two Minutes of Motion segment, Gordon demonstrates how you can calculate the load inertia with a step move and a scope plot, using AKD Workbench. Click here to view the AKD product offerings: http://www.kollmorgen.com/en-us/products/drives/servo/akd/
Series: Newtonian Mechanics Instructor: Ratul Khan (Department of Electrical & Electronic Engineering, BUET) Learn anything from 10 Minute School! We have lessons for JSC, SSC, HSC and also university courses. We cover physics, chemistry, biology, mathematics, accounting, marketing, English, Bangla, religion, social science, ICT and everything else you will have to study for your Bangladesh education board exams. Our tutorials are entirely on Bangla so that every Bangladeshi can learn from them! Watch all the videos on 10 Minute School: http://10minuteschool.com/video-library/ We also have live classes. You can do our live classes from this link: http://10minuteschool.com/admissions/live/ We can ask any question to our best teachers and you'll get you answer! You can ask questions abo...
Physics, Class XI Chapter: Rotational Motion Topic: Moment of Inertia. Classroom lecture by Pradeep Kshetrapal. Language : English mixed with Hindi.
Physics, Class XI Chapter : Rotational motion Topic : Moment of Inertia part-1 Classroom lecture by Pradeep Kshetrapal. Language : English mixed with Hindi.
MIT 2.003SC Engineering Dynamics, Fall 2011 View the complete course: http://ocw.mit.edu/2-003SCF11 Instructor: J. Kim Vandiver License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu
It's relatively easy to measure mass moment of inertia of an object using a bifilar pendulum. Here's a description along with a derivation of the governing equation and an experiment to show how it all works.
Physics, Class XI Chapter: Rotational Motion Topic: Moment of Inertia Classroom lecture by Pradeep Kshetrapal. Language : English mixed with Hindi.
'Physics Simplified' by Pravesh Sharma (Rotational Mechanics-Part 1 of 59) Concept :Moment of Inertia-Introduction Language: Hindi
This is the solution to the problem shown in: http://youtu.be/3CcuJnq0lhg
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