MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The supports in the 3D are having more than three reaction forces. Because they are having three axis on which the components of the work done need to be zero. |
| A. | The first part of the statement is false and other part is true |
| B. | The first part of the statement is false and other part is false too |
| C. | The first part of the statement is true and other part is false |
| D. | The first part of the statement is true and other part is true too |
| Answer» E. | |
| 2. |
What is Newton s second law for work? |
| A. | The rate of change of momentum is equal to the force applied |
| B. | The rate of change of distance is equal to the force applied |
| C. | The rate of change of momentum is equal to the moment applied |
| D. | The rate of change of momentum is equal to the work applied |
| Answer» B. The rate of change of distance is equal to the force applied | |
| 3. |
Which of the following needs to zero for the perfect equilibrium for the calculation of the work? |
| A. | F=0, M=0 and = 0 |
| B. | F=0, M 0 and = 0 |
| C. | F 0, M=0 and = 0 |
| D. | F=0, M=0 and 0 |
| Answer» E. | |
| 4. |
Fx=0, Fy=0 and Fz=0 are vector equations for the three dimensions. They are satisfied when the body is achieved its state of equilibrium, and then the work done is calculated. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What does Newton s third law states for the work done? |
| A. | The rate of change of momentum is equal to the force applied |
| B. | For every reaction there is an opposite reaction |
| C. | The body is tend to be rotated if the force is applied tangentially |
| D. | The body is rest until a force is applied |
| Answer» C. The body is tend to be rotated if the force is applied tangentially | |
| 6. |
If five forces are acting on the single particle and having an angle of 72 between each and are collinear, then_____________ |
| A. | The net force acting on the body is zero and the net work done is also zero |
| B. | The net force acting on the body is horizontal |
| C. | The net force acting on the body is vertical but net work done is non-zero |
| D. | The net force acting on the body is at an angle of 45 |
| Answer» B. The net force acting on the body is horizontal | |