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प्रश्न
Give one example each of a body possessing : (i) kinetic energy, and (ii) potential energy.
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उत्तर
(i) Kinetic energy - A car moving with some speed on a road possesses kinetic energy.
(ii) Potential energy- A stretched rubber band possesses potential energy due to the change in its configuration.
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संबंधित प्रश्न
State two factors on which the potential energy of a body at a certain height above the ground depends.
The potential energy of a body is the energy by virtue of its ______.
A body at a height possesses ______.
A spring is kept compressed by a small trolley of mass 0.5 kg lying on a smooth horizontal surface as shown in the adjacent fig. When the trolley is released, it is found to move at a speed v = 2 m s-1. What potential energy did the spring possess when compressed?
A ball of mass m is thrown vertically up with an initial velocity so as to reach a height h. The correct statement is:
A boy weighing 50 kg climbs up a vertical height of 100 m. Calculate the amount of work done by him. How much potential energy does he gain? (g = 9.8 m/s2)
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?
The potential energy of your body is least when you are ______.
Which of the following is the example potential energy?
What energy is possessed by stretched rubber?
