MCQOPTIONS
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MCQOPTIONS
This section includes 5 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. |
Find the angle , for the vector making an angle by y and z axis as 60 and 45 respectively. It makes an angle of with x-axis. The magnitude of the force is 200N. |
| A. | 60 |
| B. | 120 |
| C. | 45 |
| D. | 90 |
| Answer» B. 120 | |
| 2. |
Which statement is correct about the vector F? |
| A. | F= Fcos + Fcos + Fcos |
| B. | F= Fsin + Fcos + Fcos |
| C. | F= Fcos + Fsin + Fcos |
| D. | F= Fcos + Fcos + Fsin |
| Answer» B. F= Fsin + Fcos + Fcos | |
| 3. |
For a vector F, Fcos is equal to zero. What does this refer? |
| A. | X-axis component is zero |
| B. | Y-axis component is zero |
| C. | Z-axis component is zero |
| D. | = 180 |
| Answer» C. Z-axis component is zero | |
| 4. |
We can add the force vectors directly. But with dividing each by it s magnitude first. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
What is cos for force vector F = Ax + By +Cz (Given , and are the angles made by the vector with x, y and z axis respectively)? |
| A. | B/F |
| B. | C/F |
| C. | A/F |
| D. | 1 |
| Answer» D. 1 | |