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प्रश्न
A body at a height possesses ______.
पर्याय
Kinetic energy
Potential energy
Solar energy
Heat energy
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उत्तर
A body at a height possesses potential energy.
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संबंधित प्रश्न
The potential energy of a freely falling object decreases progressively. Does this violate the law of conservation of energy? Why?
Gravitational potential energy U = mass × force of gravity on unit mass × ..........
State two factors on which the potential energy of a body at a certain height above the ground depends.
A bucket full of water is on the first floor of your house and another identical bucket with the same quantity of water is kept on the second floor. Which of the two has greater potential energy?
A body falls freely under gravity from rest. Name the kind of energy it will possess at the point from where it falls.
A body of mass 2 kg is thrown vertically upwards with an initial velocity of 20 m/s. What will be its potential energy at the end of 2 s? (Assume g = 10 m/s2).
What is the difference between gravitational potential energy and elastic potential energy? Give one example of a body having gravitational potential energy and another having elastic potential energy.
A man is instructed to carry a package from the base camp at B to summit A of a hill at a height of 1200 metres. The man weighs 800 N and the package weighs 200 N. If g = 10 m/s2,
- how much work does man do against gravity?
- what is the potential energy of the package at A if its is assumed to be zero at B?
Prove that the kinetic energy of a freely falling object on reaching the ground is nothing but the transformation of its initial potential energy.
The potential energy is
