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 student unable to answer a question on Newton’s law of motion attempts to pull himself up by tugging on his hair. He will not succeed ___________ |
| A. | As the force exerted is small |
| B. | The frictional force while gripping is small |
| C. | Newton’s law of inertia is not applicable to living beings |
| D. | As the force applied is internal to the system |
| Answer» E. | |
| 2. |
Statement 1- A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes from the table. |
| A. | Statement 2- For every action, there is an equal and opposite reaction. |
| B. | Statement 2 is correct explanation for statement 1 |
| C. | Statement 2 is not correct explanation for statement 1 |
| D. | Statement 1 is true but statement 2 is false |
| E. | Statement 1 is false but statement 2 is true |
| Answer» C. Statement 2 is not correct explanation for statement 1 | |
| 3. |
A weight W rests on a rough horizontal plane. If the angle of friction is θ, the least force that will move the body along the plane will be ___________ |
| A. | W cosθ |
| B. | W tanθ |
| C. | W cotθ |
| D. | W sinθ |
| Answer» C. W cotθ | |
| 4. |
A ship of mass 3×107kg initially at rest is pulled by a force of 5×104N through a distance of 3m. Assuming that the resistance due to water is negligible, the speed of the ship is? |
| A. | 1.5m/s |
| B. | 60m/s |
| C. | 0.1m/s |
| D. | 5m/s |
| Answer» D. 5m/s | |