MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Kinematics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following cases Kinetic energy is conserved? |
| A. | Perfectly elastic collision |
| B. | Inelastic collision with 0<e<1 |
| C. | Perfectly inelastic collision |
| D. | Momentum is always conserved |
| Answer» B. Inelastic collision with 0<e<1 | |
| 2. |
Which of the following cases momentum is conserved? |
| A. | Perfectly elastic collision |
| B. | Inelastic collision with 0<e<1 |
| C. | Perfectly inelastic collision |
| D. | Momentum is always conserved |
| Answer» E. | |
| 3. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the velocity of 50 Kg mass in m/s after collision when the collision is inelastic with e = 0.6. |
| A. | 2.2 |
| B. | 2.00 |
| C. | 3.5 |
| D. | 3.1 |
| Answer» B. 2.00 | |
| 4. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the velocity of 25 Kg mass in m/s after collision when the collision is inelastic with e = 0.6. |
| A. | 2.5 |
| B. | 2.00 |
| C. | 3.5 |
| D. | 3.1 |
| Answer» E. | |
| 5. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the velocity of 25 Kg mass in m/s after collision when the collision is elastic. |
| A. | 2.5 |
| B. | 2.00 |
| C. | 3.5 |
| D. | 6.75 |
| Answer» D. 6.75 | |
| 6. |
Which of the following cases has the greatest loss in Kinetic energy? |
| A. | e=0 |
| B. | e=1/2 |
| C. | e=1/4 |
| D. | e=1 |
| Answer» B. e=1/2 | |
| 7. |
Kinetic energy before collision is always equal to the kinetic energy after collision. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Coefficient of restitution of elastic bodies is ______ |
| A. | One |
| B. | More than one |
| C. | Between 0 and one |
| D. | Zero |
| Answer» B. More than one | |
| 9. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the velocity of 50 Kg mass in m/s after collision when the collision is elastic. |
| A. | 2.5 |
| B. | 2.00 |
| C. | 7.25 |
| D. | 6.75 |
| Answer» C. 7.25 | |
| 10. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the common velocity in m/s after collision when the collision is completely inelastic. |
| A. | 2.5 |
| B. | 9.75 |
| C. | 7.25 |
| D. | 6.75 |
| Answer» B. 9.75 | |
| 11. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic with e = 0.6. |
| A. | 18.75 N-m |
| B. | 12.00 N-m |
| C. | 13.75 N-m |
| D. | 12.75 N-m |
| Answer» C. 13.75 N-m | |
| 12. |
The coefficient of restitution is 0 for a completely inelastic collision. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
A sphere of mass 25 Kg is moving at a speed of 1.5 m/s undergoes collision with another sphere of mass 50 Kg moving at 3m/s in the same direction, find the loss of kinetic energy when the collision is inelastic. |
| A. | 18.75 N-m |
| B. | 19.75 N-m |
| C. | 17.75 N-m |
| D. | 16.75 N-m |
| Answer» B. 19.75 N-m | |