McqMate
These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Uncategorized topics .
Chapters
| 1. |
Pair of forces that cause steering wheel of a car to rotate is called |
| A. | couple |
| B. | friction |
| C. | normal force |
| D. | weight |
| Answer» A. couple | |
| 2. |
If the principle of moments for any object holds, then object is in state of |
| A. | inertia |
| B. | equilibrium |
| C. | suspension |
| D. | motion |
| Answer» B. equilibrium | |
| 3. |
Combined effect of several forces is known as |
| A. | net force |
| B. | resultant force |
| C. | normal force |
| D. | weight |
| Answer» B. resultant force | |
| 4. |
To form a couple, the force should be |
| A. | equal in magnitude |
| B. | parallel and opposite |
| C. | separated by distance |
| D. | all of above |
| Answer» D. all of above | |
| 5. |
Moment of force depends upon |
| A. | magnitude of force |
| B. | perpendicular distance of force from pivot |
| C. | both A and B |
| D. | axis of rotation |
| Answer» C. both A and B | |
| 6. |
Two perpendicular components are |
| A. | independent of each other |
| B. | dependent on each other |
| C. | anti parallel to each other |
| D. | parallel to each other |
| Answer» A. independent of each other | |
| 7. |
Object is in equilibrium if resultant force acting on it is |
| A. | increasing |
| B. | decreasing |
| C. | zero |
| D. | becomes constant |
| Answer» C. zero | |
| 8. |
Center of gravity of an irregular body lies on the |
| A. | edge |
| B. | center of body |
| C. | point of intersection of lines |
| D. | along the axis of rotation |
| Answer» C. point of intersection of lines | |
| 9. |
Number of forces a falling tennis ball experiences is |
| A. | 1 |
| B. | 3 |
| C. | 2 |
| D. | 4 |
| Answer» C. 2 | |
| 10. |
Point where all weight of object acts is called |
| A. | central point |
| B. | center of gravity |
| C. | edge |
| D. | center of mass |
| Answer» B. center of gravity | |
| 11. |
If weight of a falling tennis ball is 1.0 N and drag force acting on it is 0.2 N then resultant force is |
| A. | 0.8 N |
| B. | 0.5 N |
| C. | 1 N |
| D. | 2 N |
| Answer» A. 0.8 N | |
| 12. |
If the resultant vector forms an angle of 45°, then the two components are |
| A. | parallel to each other |
| B. | perpendicular to each other |
| C. | anti parallel to each other |
| D. | anti perpendicular to each other |
| Answer» B. perpendicular to each other | |
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