MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 14 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Single force can exist. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Swimming is an example of which of the following? |
| A. | Newton’s first law of motion |
| B. | Newton’s second law of motion |
| C. | Newton’s third law of motion |
| D. | Law of inertia |
| Answer» D. Law of inertia | |
| 3. |
While launching a rocket of mass 2×104 kg, a force of 5×105 N is applied for 20s. Calculate the velocity attained by the rockets at the end of 20s. |
| A. | 3.6m/s |
| B. | 300m/s |
| C. | 120m/s |
| D. | 500m/s |
| Answer» E. | |
| 4. |
Internal forces have no role to play in acceleration. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
SWIMMING_IS_AN_EXAMPLE_FOR_WHICH_OF_THE_FOLLOWING??$ |
| A. | Newton’s first law of motion |
| B. | Newton’s second law of motion |
| C. | Newton’s third law of motion |
| D. | Law of inertia |
| Answer» D. Law of inertia | |
| 6. |
Single_force_can_exist.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
While launching a rocket of mass 2√ó104 kg, a force of 5√ó105 N is applied for 20s. Calculate the velocity attained by the rockets at the end of 20s?# |
| A. | 3.6m/s |
| B. | 300m/s |
| C. | 120m/s |
| D. | 500m/s |
| Answer» E. | |
| 8. |
A batsman hits back a ball straight in the direction of the bowler without changing its initial speed of 12m/s. If the mass of the ball is 0.15kg, determine the impulse imparted to the ball. (Assume linear motion of the ball) |
| A. | -45Ns |
| B. | -3.6Ns |
| C. | 3.78Ns |
| D. | 60Ns |
| Answer» C. 3.78Ns | |
| 9. |
A person is falling from a certain height. Which of the following is likely to happen? |
| A. | If he falls on cement floor, he gets more injuries |
| B. | If he falls on a heap of sand, he receives less injuries |
| C. | He gets the same injuries in both the cases |
| D. | He is unaffected |
| Answer» B. If he falls on a heap of sand, he receives less injuries | |
| 10. |
Which of the following is an example for impulsive force? |
| A. | A person in a moving bus |
| B. | A horse suddenly stopping |
| C. | Force exerted by a bat hitting a ball |
| D. | Sharpening of knife |
| Answer» D. Sharpening of knife | |
| 11. |
A scooterist moving with a speed of 36km/h sees a child standing in the middle of the road. He applies the brakes and brings the scooter to rest in 5s just in time to save the child. Calculate the average retarding force on the vehicle, if mass of the vehicle and the driver is 300kg. |
| A. | 270N |
| B. | 600N |
| C. | 150N |
| D. | 125N |
| Answer» C. 150N | |
| 12. |
A bullet of mass 0.04kg moving with a speed of 90m/s enters a wooden block and is stopped after a distance of 60cm. What is the average resistive force exerted by the block on the bullet? |
| A. | 15N |
| B. | 54N |
| C. | 22.50N |
| D. | 270N |
| Answer» E. | |
| 13. |
Internal forces have no role to play in acceleration. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
In which of the following ways the accelerated motion of a body will occur under an external force? |
| A. | Due to change in direction |
| B. | Due to the inability to change its direction |
| C. | Due to the inability to change its speed |
| D. | Due to its ability to remain at rest |
| Answer» B. Due to the inability to change its direction | |