MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
If anybody is tied to three or more ropes, and then is allowed to achieve its equilibrium. Then the equilibrium achieved is achieved w.r.t what? |
| A. | The three axis of the body |
| B. | The ground |
| C. | The ropes direction |
| D. | The weight direction |
| Answer» C. The ropes direction | |
| 2. |
An electromagnet crane is carrying the electromagnet with the help of the three cables. But the electromagnet is not stable because of the wind. What is science behind the cause? |
| A. | The wind is making the net force of the body equal to a non-zero value |
| B. | The wind is making the net force of the body equal to zero value |
| C. | The wind is making the net force of the body equal to a non-zero value but is supporting the equilibrium |
| D. | The wind is making the net force of the body equal to zero value and supporting equilibrium |
| Answer» B. The wind is making the net force of the body equal to zero value | |
| 3. |
If the resolved force or the force which you get as the answer after solving the question is negative, then what does this implies? |
| A. | The force is in the reverse direction w.r.t the direction set in the free body diagram |
| B. | The force is not in the reverse direction w.r.t the direction set in the free body diagram |
| C. | The force component is not possible |
| D. | The force is possible, but in the direction perpendicular to the resultant force |
| Answer» B. The force is not in the reverse direction w.r.t the direction set in the free body diagram | |
| 4. |
If solving the question in 3D calculations is difficult, then use the 2D system and then equate the total net force to zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
When the body is in equilibrium then which of the following is true? |
| A. | We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude |
| B. | We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude square |
| C. | We equate all the components of the forces acting on the body equal to their resultant vector’s magnitude square root |
| D. | We equate all the components of the forces acting on the body equal to zero |
| Answer» E. | |
| 6. |
∑Fx=0, ∑Fy=0 and ∑Fz=0 are vector equations. |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
Determine the value of the q, parallel to the z-axis. That is the point of intersection of the projections of the points A, B and C parallel to the xy plane. With the distance between the tri-section point and the points A, B and C be equal to 0.6m. |
| A. | 51.9cm |
| B. | 51.9mm |
| C. | 51.9m |
| D. | 5.19mmView Answer |
| Answer» B. 51.9mm | |
| 8. |
Find the tension in the cable AC. |
| A. | 23.6N |
| B. | 55N |
| C. | 89N |
| D. | -29NView Answer |
| Answer» B. 55N | |
| 9. |
In the diagram given below, coordinates of D is (1, -2, 2), C (-2, 0, 0) and B are as shown. The dark region is the cables holding the weight of 600N at origin. Find the tension in the AB section. |
| A. | 900N |
| B. | 693N |
| C. | 646N |
| D. | 0NView Answer |
| Answer» C. 646N | |
| 10. |
In the diagram given below, coordinates of D is (1, -2, 2), C (-2, 0, 0) and B are as shown. The dark region is the cables holding the weight of 600N at the origin. Find the tension in the AD section. |
| A. | 900N |
| B. | 693N |
| C. | 646N |
| D. | 0NView Answer |
| Answer» B. 693N | |
| 11. |
We first make equilibrium equations and then the free body diagram and then solve the question. |
| A. | True |
| B. | False |
| Answer» C. | |
| 12. |
6N?$ |
| A. | 55N |
| B. | 89N |
| C. | -29N |
| Answer» B. 89N | |
| 13. |
900N |
| A. | 693N |
| B. | 646N |
| C. | 0N |
| Answer» B. 646N | |
| 14. |
What is not the condition for the equilibrium in three dimensional system of axis? |
| A. | ‚àëFx=0 |
| B. | ‚àëFy=0 |
| C. | ‚àëFz=0 |
| D. | ∑F≠0 |
| Answer» E. | |