Class 9 Exam > Class 9 Questions > A ball is dropped from a height of 10 m.a)Its...
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A ball is dropped from a height of 10 m.
- a)Its potential energy increases and kinetic energy decreases during the falls.
- b)Its potential energy is equal to the kinetic energy during the fall.
- c)The potential energy decreases and the kinetic energy increases during the fall.
- d)The potential energy is ‘0’ and kinetic energy is maximum while it is falling.
Correct answer is option 'C'. Can you explain this answer?
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A ball is dropped from a height of 10 m.a)Its potential energy increas...
The answer to the question is C: The potential energy decreases and the kinetic energy increases during the fall.
Explanation:
When the ball is dropped from a height of 10 m, it undergoes a change in energy as it falls. This change in energy can be explained by the concepts of potential energy and kinetic energy.
Potential Energy:
Potential energy is the energy possessed by an object due to its position or height above the ground. In this case, when the ball is at a height of 10 m, it has potential energy due to its position relative to the ground.
Kinetic Energy:
Kinetic energy is the energy possessed by an object due to its motion. As the ball falls, its potential energy decreases and is converted into kinetic energy.
Energy Transformation:
As the ball falls, the following energy transformation occurs:
- Initially, the ball has maximum potential energy and zero kinetic energy.
- As it falls, the potential energy decreases while the kinetic energy increases.
- At the midpoint of the fall, the potential energy and kinetic energy are equal.
- At the instant before it hits the ground, the potential energy is minimum (almost zero) and the kinetic energy is maximum.
Conclusion:
Based on the above explanation, we can conclude that during the fall of the ball from a height of 10 m, the potential energy decreases and the kinetic energy increases.
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Explanation:
When the ball is dropped from a height of 10 m, it undergoes a change in energy as it falls. This change in energy can be explained by the concepts of potential energy and kinetic energy.
Potential Energy:
Potential energy is the energy possessed by an object due to its position or height above the ground. In this case, when the ball is at a height of 10 m, it has potential energy due to its position relative to the ground.
Kinetic Energy:
Kinetic energy is the energy possessed by an object due to its motion. As the ball falls, its potential energy decreases and is converted into kinetic energy.
Energy Transformation:
As the ball falls, the following energy transformation occurs:
- Initially, the ball has maximum potential energy and zero kinetic energy.
- As it falls, the potential energy decreases while the kinetic energy increases.
- At the midpoint of the fall, the potential energy and kinetic energy are equal.
- At the instant before it hits the ground, the potential energy is minimum (almost zero) and the kinetic energy is maximum.
Conclusion:
Based on the above explanation, we can conclude that during the fall of the ball from a height of 10 m, the potential energy decreases and the kinetic energy increases.
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A ball is dropped from a height of 10 m.a)Its potential energy increases and kinetic energy decreases during the falls.b)Its potential energy is equal to the kinetic energy during the fall.c)The potential energy decreases and the kinetic energy increases during the fall.d)The potential energy is ‘0’ and kinetic energy is maximum while it is falling.Correct answer is option 'C'. Can you explain this answer?
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A ball is dropped from a height of 10 m.a)Its potential energy increases and kinetic energy decreases during the falls.b)Its potential energy is equal to the kinetic energy during the fall.c)The potential energy decreases and the kinetic energy increases during the fall.d)The potential energy is ‘0’ and kinetic energy is maximum while it is falling.Correct answer is option 'C'. Can you explain this answer? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about A ball is dropped from a height of 10 m.a)Its potential energy increases and kinetic energy decreases during the falls.b)Its potential energy is equal to the kinetic energy during the fall.c)The potential energy decreases and the kinetic energy increases during the fall.d)The potential energy is ‘0’ and kinetic energy is maximum while it is falling.Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A ball is dropped from a height of 10 m.a)Its potential energy increases and kinetic energy decreases during the falls.b)Its potential energy is equal to the kinetic energy during the fall.c)The potential energy decreases and the kinetic energy increases during the fall.d)The potential energy is ‘0’ and kinetic energy is maximum while it is falling.Correct answer is option 'C'. Can you explain this answer?.
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