MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A torque of 2×10-4 Nm is applied to produce an angular acceleration of 4rad/s2 in a rotating body. What is the moment of inertia of the body? |
| A. | 0.5 kgm2 |
| B. | 5×104 kgm2 |
| C. | 0.5×10-4 kgm2 |
| D. | 0.5×104 kgm2 |
| Answer» D. 0.5×104 kgm2 | |
| 2. |
Calculate the moment of inertia of the earth about its diameter, taking it to be a sphere of 1025kg and diameter 12800km. |
| A. | 1.64 kgm2 |
| B. | 16.4×1038 kgm2 |
| C. | 1.64×1038 kgm2 |
| D. | 0 |
| Answer» D. 0 | |
| 3. |
The moment of inertia of a uniform circular disc about its diameter is 100 gcm2. What is its moment of inertia about an axis perpendicular to its plane. |
| A. | 500 gcm2 |
| B. | 100 gcm2 |
| C. | 200 gcm2 |
| D. | 700 gcm2 |
| Answer» D. 700 gcm2 | |
| 4. |
The moment of inertia of a uniform circular disc about its diameter is 100gcm2. What is its moment of inertia about its tangent? |
| A. | 200 gcm2 |
| B. | 100 gcm2 |
| C. | 900 gcm2 |
| D. | 500 gcm2 |
| Answer» E. | |