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- Subject
- Applied Mechanics and Graphic Staticscivil-engineering-mcqs › applied-mechanics-and-graphic-statics
- Published
- 18 Jan 2019
- Last updated
- 28 May 2026
Explanation
Since both discs have the same mass and thickness, the disc made from the less dense metal must have a larger radius to maintain the same weight. Moment of inertia depends on mass distribution relative to the axis, so the disc with the lower density (and thus larger radius) will have a greater rotational inertia.
More Applied Mechanics and Graphic Statics MCQs
Practice related questions from the same subject.
- 1.Which of the following statements is accurate regarding centrodes?
- 2.Two forces, P and Q, act perpendicular to each other. Force P has a magnitude of 50 N, while force Q is unknown. They are counteracted by a single force of 130 N. What is the magnitude of force Q?
- 3.What is the angle between two forces if their resultant force equals the magnitude of one of the forces?
- 4.What are the angles between two forces that result in the minimum and maximum magnitude of their resultant force, respectively?
- 5.Two forces, P and Q, combine to produce a resultant force R. If the magnitude of Q is doubled and the new resultant becomes perpendicular to P, what can be concluded?
- 6.A disc with a mass of 4 kg, radius of 0.5 m, and a moment of inertia of 3 kg·m² rolls on a flat surface with its center moving at 5 m/s. What is the total kinetic energy of the disc?
- 7.Which of the following represents a state of unstable equilibrium?
- 8.A uniform pyramid and a uniform prism, both having the same height, are placed on a flat surface with their bases down. Which of the two is more stable?
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