Class 11 Exam > Class 11 Questions > A ball hits the floor and rebounds after an i...
Start Learning for Free
A ball hits the floor and rebounds after an inelastic collision . In this case-
- a)the momentum of the ball just after the collision is the same as that just before the collision
- b)the mechanical energy of the ball remains the same in the collision
- c)the total momentum of the ball and the earth is conserved.
- d)the total energy of the ball and the earth is conserved
Correct answer is option 'C'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
A ball hits the floor and rebounds after an inelastic collision . In t...
When the collision is inelastic the ball doesn't rebond at all but it will stick to the ground. So the momentum of the ball just before and after collision is not conserved and so is it's energy. While considering both the ball and ground as our system the total energy is not conserved since ball losses it's energy but the ground doesn't gain any energy. However momentum will be now conserved because there is no external force acting on our system (gravitational force becomes internal).
Most Upvoted Answer
A ball hits the floor and rebounds after an inelastic collision . In t...
When the collision is inelastic the ball doesn't rebond at all but it will stick to the ground. So the momentum of the ball just before and after collision is not conserved and so is it's energy. While considering both the ball and ground as our system the total energy is not conserved since ball losses it's energy but the ground doesn't gain any energy. However momentum will be now conserved because there is no external force acting on our system (gravitational force becomes internal).
Free Test
FREE
| Start Free Test |
Community Answer
A ball hits the floor and rebounds after an inelastic collision . In t...
Momentum and Energy in an Inelastic Collision
In an inelastic collision, the objects involved stick together or deform upon impact, resulting in a loss of kinetic energy. Let's analyze the given statements to understand why option 'C' is the correct answer.
a) The momentum of the ball just after the collision is the same as that just before the collision.
This statement is incorrect for an inelastic collision. In an inelastic collision, the objects stick together or deform upon impact, resulting in a loss of kinetic energy. Since momentum is conserved in all collisions, including inelastic collisions, the total momentum of the system (ball and Earth) remains the same. However, the momentum of the individual objects (ball and Earth) may change.
b) The mechanical energy of the ball remains the same in the collision.
This statement is incorrect for an inelastic collision. In an inelastic collision, some of the initial kinetic energy is converted into other forms of energy, such as heat or sound. Therefore, the mechanical energy of the ball decreases after the collision.
c) The total momentum of the ball and the Earth is conserved.
This statement is correct. According to the law of conservation of momentum, the total momentum of an isolated system remains constant if no external forces act on it. In the case of a ball hitting the floor and rebounding, the ball and the Earth form an isolated system. Although the ball loses some momentum upon collision, an equal and opposite momentum is transferred to the Earth. Therefore, the total momentum of the ball and the Earth is conserved.
d) The total energy of the ball and the Earth is conserved.
This statement is incorrect for an inelastic collision. As mentioned earlier, in an inelastic collision, some of the initial kinetic energy is converted into other forms of energy. Therefore, the total energy of the ball and the Earth decreases after the collision.
Conclusion
In an inelastic collision where a ball hits the floor and rebounds, the total momentum of the ball and the Earth is conserved while the total mechanical energy decreases. Therefore, option 'C' is the correct answer.
In an inelastic collision, the objects involved stick together or deform upon impact, resulting in a loss of kinetic energy. Let's analyze the given statements to understand why option 'C' is the correct answer.
a) The momentum of the ball just after the collision is the same as that just before the collision.
This statement is incorrect for an inelastic collision. In an inelastic collision, the objects stick together or deform upon impact, resulting in a loss of kinetic energy. Since momentum is conserved in all collisions, including inelastic collisions, the total momentum of the system (ball and Earth) remains the same. However, the momentum of the individual objects (ball and Earth) may change.
b) The mechanical energy of the ball remains the same in the collision.
This statement is incorrect for an inelastic collision. In an inelastic collision, some of the initial kinetic energy is converted into other forms of energy, such as heat or sound. Therefore, the mechanical energy of the ball decreases after the collision.
c) The total momentum of the ball and the Earth is conserved.
This statement is correct. According to the law of conservation of momentum, the total momentum of an isolated system remains constant if no external forces act on it. In the case of a ball hitting the floor and rebounding, the ball and the Earth form an isolated system. Although the ball loses some momentum upon collision, an equal and opposite momentum is transferred to the Earth. Therefore, the total momentum of the ball and the Earth is conserved.
d) The total energy of the ball and the Earth is conserved.
This statement is incorrect for an inelastic collision. As mentioned earlier, in an inelastic collision, some of the initial kinetic energy is converted into other forms of energy. Therefore, the total energy of the ball and the Earth decreases after the collision.
Conclusion
In an inelastic collision where a ball hits the floor and rebounds, the total momentum of the ball and the Earth is conserved while the total mechanical energy decreases. Therefore, option 'C' is the correct answer.
Attention Class 11 Students!
To make sure you are not studying endlessly, EduRev has designed Class 11 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 11.
|
Explore Courses for Class 11 exam
|
|
Similar Class 11 Doubts
Top Courses for Class 11View all
A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer?
Question Description
A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer?.
A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer?.
Solutions for A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
Download more important topics, notes, lectures and mock test series for Class 11 Exam by signing up for free.
Here you can find the meaning of A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer?, a detailed solution for A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? has been provided alongside types of A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A ball hits the floor and rebounds after an inelastic collision . In this case-a)the momentum of the ball just after the collision is the same as that just before the collisionb)the mechanical energy of the ball remains the same in the collisionc)the total momentum of the ball and the earth is conserved.d)the total energy of the ball and the earth is conservedCorrect answer is option 'C'. Can you explain this answer? tests, examples and also practice Class 11 tests.
|
|
Explore Courses for Class 11 exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup