MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
How do we calculate force in a variable mass constant velocity system? |
| A. | F = ma |
| B. | F = mv |
| C. | F = v(dm/dt) |
| D. | F = m/t |
| Answer» D. F = m/t | |
| 2. |
An example of variable mass system is _____ |
| A. | A car moving |
| B. | A rocket taking off |
| C. | A bicycle moving |
| D. | A man walking |
| Answer» C. A bicycle moving | |
| 3. |
If the force acting on a body is 50 N, and the mass is 5 kg, what can be the acceleration of the body? |
| A. | 10 m/s<sup>2</sup> |
| B. | 80 m/s<sup>2</sup> |
| C. | 8 m/s<sup>2</sup> |
| D. | 0.8 m/s<sup>2</sup> |
| Answer» B. 80 m/s<sup>2</sup> | |
| 4. |
If the force acting on a body is 10 N, and the acceleration is 4 m/s2, what can be the mass of the body? |
| A. | 2.5 Kg |
| B. | 25 Kg |
| C. | 0.25 Kg |
| D. | 5 Kg |
| Answer» B. 25 Kg | |
| 5. |
The unit Newton is equivalent to ______ |
| A. | Kg-m/s<sup>2</sup> |
| B. | Kg-m/s |
| C. | Kg/m/s<sup>2</sup> |
| D. | Kg<sup>2</sup>-m/s<sup>2</sup> |
| Answer» B. Kg-m/s | |
| 6. |
Unit of force is _____ |
| A. | Newton |
| B. | Pascal |
| C. | Byte |
| D. | Gram |
| Answer» B. Pascal | |
| 7. |
What is the force applied on a body with 5 kg of mass and an acceleration of 7 m/s2? |
| A. | 35 N |
| B. | 5 N |
| C. | 7 N |
| D. | 0 N |
| Answer» B. 5 N | |