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Engineering Mechanics Practice Test: Moments of Inertia
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Moments of Inertia topics include: Moment and product of an inertia for an area, moment of inertia for inclined axis, radius gyration of area, mohrs circle and mass moment of inertia. The moment of inertia, also known as rotational inertia, is a quantity that determines the torque of a rigid body. It is a measure of how much an object resists rotational acceleration about an axis.  The moment of inertia depends on the distribution of mass in an object. The greater the distance the mass is from the center of rotation, the greater the moment of inertia.  There are three types of moment of... Show more
Engineering Mechanics Practice Test: Moments of Inertia
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25 Questions

1. We use sometimes the measures to know the direction of moment of inertia. It is done by right handed coordinate system. Which is right about it for the composite bodies (consider the mentioned axis to be positive)?
2. The body is sometimes acted by two or three force members and we need to find the moment of inertia about the inclined axis for the same. The difference between the two and the three force members is:
3. The Mohr’s circle for an area is helpful so as to________
4. In the calculations of the moment of inertia of the area about an inclined axis, we have some transformation done. They are:
5. We often use the centre of mass of the composite area to calculate the moment of inertia. The centre of mass for these composite body is the ratio of ________ to _________
6. The body is sometimes acted by two or three force members and we need to find the product of moment of inertia for the same. The difference between the two and the three force members is:
7. Whenever the distributed loading acts perpendicular to an area its intensity varies __________ for the determination of the Mohr’s circle for inertia.
8. What is parallel axis theorem and to whom it is applied so that it can give the product of inertia of an area of an area inclined about an axis?
9. Whenever the distributed loading acts perpendicular to an area its intensity varies __________ for the determination of the product of moment of inertia.
10. In the calculations of the moment of inertia of the area about an inclined axis, we have some transformation done. They are:
11. If any external force also is applied on the structure and we are determining the moment of inertia for areas about inclined axis then what should we consider?
12. The calculation of the moment of the body due to the loadings involve a quantity called ____________
13. The product of Inertia for an area is required so as to _____________
14. The number of a particle does affect the moment of inertia. A composite body is consisted of __________ number of particles.
15. The parallel axis theorem can add any angle varied moment of inertias to give the perpendicular moment of inertia and the radius of gyration can be calculated.
16. The radius of gyration is related to the moment of the body. So the calculation of the moment of the body due to the loadings involve a quantity called ____________
17. The distance in the parallel axis theorem for the use in the determination of the product of the moment of inertia is multiplied by:
18. One of the uses of the centre of mass or centroid is as in the determination of the moment of inertia about an inclined plane is that the net force acts at the ___________ of the loading body.
19. As radius of gyration is indirectly to the parallel axis theorem, parallel axis theorem uses the ____________ of the distance.
20. If the non-Uniform loading is of the type of parabola then for calculating the moment of inertia for areas inclined at an axis?
21. The product of moment of inertia is the sum of _____________ and _________________
22. Whenever the distributed loading acts perpendicular to an area its intensity varies __________ for the determination of moment of inertia about the inclined axis.
23. If any external force also is applied on the distributed loading on which the moment of inertia is to be determined on the composite body then?
24. The product of moment of inertia is the sum of _____________ and _________________ it can be used in the calculations of moments of inertia for an area about inclined axis.
25. The tendency of rotation of the body along with axis is also called ___________ As used for the construction of the Mohr circle.

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