MCQOPTIONS
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MCQOPTIONS
This section includes 22 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. |
A man of mass 60 kg and a boy of mass 30 kg are standing together on a frictionless ice surface. If they push each other apart, the man moves away with a speed of 0.4m/s relative to ice. After 5s they will be away from each other at a distance of ___________ |
| A. | 9 m |
| B. | 3 m |
| C. | 6 m |
| D. | 30 m |
| Answer» D. 30 m | |
| 2. |
A student unable to answer a question on Newton’s law of motion attempts to pull himself up by tugging on his hair. He will not succeed ___________ |
| A. | As the force exerted is small |
| B. | The frictional force while gripping is small |
| C. | Newton’s law of inertia is not applicable to living beings |
| D. | As the force applied is internal to the system |
| Answer» E. | |
| 3. |
A particle is acted upon by a force of a constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that ___________ |
| A. | Its velocity is constant |
| B. | Its acceleration is constant |
| C. | Its kinetic energy is constant |
| D. | It moves in a straight line |
| Answer» D. It moves in a straight line | |
| 4. |
A light spring balance hangs from a hook of the other spring balance and a block of mass Mkg hangs from the former one. Then, which of the following is a true statement? |
| A. | Both the scales read Mkg each |
| B. | The scale of the lower one reads Mkg and of the upper one zero |
| C. | The reading of the two scales can be anything but the sum of the readings will be Mkg |
| D. | Both the scales read M/2 kg |
| Answer» B. The scale of the lower one reads Mkg and of the upper one zero | |
| 5. |
A player caught a cricket ball of mass 150g moving at a rate of 20m/s. If the ball catching process is completed in 0.1s, the force on the blow exerted by the ball on the hand of the player is equal to ___________ |
| A. | 30N |
| B. | 300N |
| C. | 150N |
| D. | 3N |
| Answer» B. 300N | |
| 6. |
Statement 1- A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes from the table.Statement 2- For every action, there is an equal and opposite reaction. |
| A. | Statement 2 is correct explanation for statement 1 |
| B. | Statement 2 is not correct explanation for statement 1 |
| C. | Statement 1 is true but statement 2 is false |
| D. | Statement 1 is false but statement 2 is true |
| Answer» C. Statement 1 is true but statement 2 is false | |
| 7. |
A weight W rests on a rough horizontal plane. If the angle of friction is θ, the least force that will move the body along the plane will be ___________ |
| A. | W cosθ |
| B. | W tanθ |
| C. | W cotθ |
| D. | W sinθ |
| Answer» C. W cotθ | |
| 8. |
When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that, it acts ___________ |
| A. | In the backward direction on the front wheel and in the backward direction on the rear wheel |
| B. | In the forward direction on the front wheel and in the backward direction on the rear wheel |
| C. | In the backward direction on both front and the back wheel |
| D. | In the forward direction in both front and the back wheel |
| Answer» B. In the forward direction on the front wheel and in the backward direction on the rear wheel | |
| 9. |
A ship of mass 3×107kg initially at rest is pulled by a force of 5×104N through a distance of 3m. Assuming that the resistance due to water is negligible, the speed of the ship is? |
| A. | 1.5m/s |
| B. | 60m/s |
| C. | 0.1m/s |
| D. | 5m/s |
| Answer» D. 5m/s | |
| 10. |
A_STUDENT_UNABLE_TO_ANSWER_A_QUESTION_ON_NEWTON‚ÄÖ√Ñ√∂‚ÀÖ√Ë‚ÀÖ¬•S_LAW_OF_MOTION_ATTEMPTS_TO_PULL_HIMSELF_UP_BY_TUGGING_ON_HIS_HAIR._HE_WILL_NOT_SUCCEED?$# |
| A. | As the force exerted is small |
| B. | The frictional force while gripping, is small |
| C. | Newton’s law of inertia is not applicable to living beings |
| D. | As the force applied is internal to the system |
| Answer» E. | |
| 11. |
A man of mass 60 kg and a boy of mass 30 kg are standing together on a frictionless ice surface. If they push each other apart, the man moves away with a speed of 0.4m/s relative to ice. After 5s they will be away from each other at a distance of$ |
| A. | 9 m |
| B. | 3 m |
| C. | 6 m |
| D. | 30 m |
| Answer» D. 30 m | |
| 12. |
A_man_of_mass_60_kg_and_a_boy_of_mass_30_kg_are_standing_together_on_a_frictionless_ice_surface._If_they_push_each_other_apart,_the_man_moves_away_with_a_speed_of_0.4m/s_relative_to_ice._After_5s_they_will_be_away_from_each_other_at_a_distance_of$ |
| A. | 9 m |
| B. | 3 m |
| C. | 6 m |
| D. | 30 m |
| Answer» D. 30 m | |
| 13. |
A particle is acted upon by a force of a constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows tha? |
| A. | Its velocity is constant |
| B. | Its acceleration is constant |
| C. | Its kinetic energy is constant |
| D. | It moves in a straight line |
| Answer» D. It moves in a straight line | |
| 14. |
A light spring balance hangs from a hook of the other spring balance and a block of mass Mkg hangs from the former one. Then, the true statement is |
| A. | Both the scales read Mkg each |
| B. | The scale of the lower one reads Mkg and of the upper one zero |
| C. | The reading of the two scales can be anything but the sum of the readings will be Mkg |
| D. | Both the scales read M/2 kg |
| Answer» B. The scale of the lower one reads Mkg and of the upper one zero | |
| 15. |
A light spring balance hangs from a hook of the other spring balance and a block of mass Mkg hangs from the former one. Then, the true statement is |
| A. | Both the scales read Mkg each |
| B. | The scale of the lower one reads Mkg and of the upper one zero |
| C. | The reading of the two scales can be anything but the sum of the readings will be Mkg |
| D. | Both the scales read M/2 kg |
| Answer» B. The scale of the lower one reads Mkg and of the upper one zero | |
| 16. |
A machine gun fires a bullet of mass 40g with a velocity of 1200m/s =. The man holding it can exert a maximum force of 144N on the gun. How many bullets can he fire per second at the most? |
| A. | One |
| B. | Four |
| C. | Two |
| D. | Three |
| Answer» E. | |
| 17. |
A player caught a cricket ball of mass 150g moving at a rate of 20m/s. If the ball catching process is completed in 0.1s, the force on the blow exerted by the ball on the hand of the player is equal to |
| A. | 30N |
| B. | 300N |
| C. | 150N |
| D. | 3N |
| Answer» B. 300N | |
| 18. |
Statement 1- A cloth covers a table. Some dishes are kept on it. The cloth can be pulled out without dislodging the dishes from the table |
| A. | |
| B. | Statement 2 is correct explanation for statement 1 |
| C. | Statement 2 is not correct explanation for statement 1 |
| Answer» C. Statement 2 is not correct explanation for statement 1 | |
| 19. |
A weight W rests on a rough horizontal plane. If the angle of friction is θ, the least force that will move the body along the plane will be$ |
| A. | W cosθ |
| B. | W tanθ |
| C. | W cotθ |
| D. | W sinθ |
| Answer» C. W cot‚âà√≠‚Äö√†√® | |
| 20. |
When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that, it acts |
| A. | In the backward direction on the front wheel and in the backward direction on the rear wheel |
| B. | In the forward direction on the front wheel and in the backward direction on the rear wheel |
| C. | In the backward direction on both front and the back wheel |
| D. | In the forward direction in both front and the back wheel |
| Answer» B. In the forward direction on the front wheel and in the backward direction on the rear wheel | |
| 21. |
When a bicycle is in motion, the force of friction exerted by the ground on the two wheels is such that, it acts |
| A. | In the backward direction on the front wheel and in the backward direction on the rear wheel |
| B. | In the forward direction on the front wheel and in the backward direction on the rear wheel |
| C. | In the backward direction on both front and the back wheel |
| D. | In the forward direction in both front and the back wheel |
| Answer» B. In the forward direction on the front wheel and in the backward direction on the rear wheel | |
| 22. |
A ship of mass 3√ó107kg initially at rest is pulled by a force of 5√ó104N through a distance of 3m. Assuming that the resistance due to water is negligible, the speed of the ship is |
| A. | 1.5m/s |
| B. | 60m/s |
| C. | 0.1m/s |
| D. | 5m/s |
| Answer» D. 5m/s | |