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Engineering Mechanics - Data Intensity 1 Multiple Questions and Answers.
| 6. | If the resultant of two equal forces has the same magnitude as either of the forces, then the angle between the two forces is | ||
| A. | 30° | ||
| B. | 60° | ||
| C. | 90° | ||
| D. | 120° | ||
| 7. | A smooth cylinder lying on its convex surface remains in _____ equilibrium. | ||
| A. | stable | ||
| B. | unstable | ||
| C. | neutral | ||
| D. | none of above | ||
| 8. | Moment of inertia of a circular section about an axis perpendicular to the section is | ||
| A. | πd3/16 | ||
| B. | πd3/32 | ||
| C. | πd4/32 | ||
| D. | πd4/64 | ||
| 9. | The unit of angular acceleration is | ||
| A. | N-m | ||
| B. | m/s | ||
| C. | m/s2 | ||
| D. | rad/s2 | ||
| 10. | Moment of inertia of a triangular section of base (b) and height (h) about an axis passing through its C.G. and parallel to the base, is | ||
| A. | bh3/4 | ||
| B. | bh3/8 | ||
| C. | bh3/12 | ||
| D. | bh3/36 | ||
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