MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A body of mass 1 kg is kept on a rough surface is being pulled by a force of 2N, what will be the value of coefficient of friction if it just begins to move. Take g = 10m/s2. |
| A. | 0.2 |
| B. | 0.25 |
| C. | 0 |
| D. | 0.4 |
| Answer» B. 0.25 | |
| 2. |
A body, resting on a rough horizontal plane required a pull of 181 N inclined at 30° to the plane just to move it. It was recorded that a push of 220 N inclined at 30°° to the plane just moved the body. Estimate the coefficient of friction. |
| A. | 0.17 |
| B. | 0.2 |
| C. | 0.5 |
| D. | 0.75 |
| Answer» B. 0.2 | |
| 3. |
A body, resting on a rough horizontal plane required a pull of 181 N inclined at 30° to the plane just to move it. It was recorded that a push of 220 N inclined at 30° to the plane just moved the body. Estimate the weight of the body in N. |
| A. | 2000N |
| B. | 2500N |
| C. | 1000N |
| D. | 4000N |
| Answer» D. 4000N | |
| 4. |
For a body on an inclined plane, the value of coefficient of friction is equal to _____ (θ is the angle of friction) |
| A. | Tanθ |
| B. | Cotθ |
| C. | Sinθ |
| D. | Cosθ |
| Answer» B. Cotθ | |