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प्रश्न
Water stored in a dam possesses :
पर्याय
no energy
electrical energy
kinetic energy
potential energy
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उत्तर
Water stored in a tank possesses gravitational potential energy because of its position above the ground.
Therefore, the answer is, (d) Potential energy.
संबंधित प्रश्न
A stone of mass 500 g is thrown vertically upwards with a velocity of 15 m/s. Calculate:
- the potential energy at the greatest height,
- the kinetic energy on reaching the ground, and
- the total energy at its half-way point.
State whether the object possess kinetic energy, potential energy, or both :
A bird running on the ground ____________.
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
A boy weighing 40 kg makes a high jump of 1.5 m.
What is his kinetic energy at the highest point?
Name the device or machine which convert :
Light energy into electrical energy.
Name the device or machine which convert :
Chemical energy into kinetic energy (or mechanical energy).
A bulb lights up when connected to a battery. State the energy change which takes place :
What do you understand by the term 'transformation of energy"? Explain with an example.
An object is falling freely from a height x. After it has fallen a height `pi/2` , it will possess :
A body of mass 10 kg at rest is acted upon simultaneously by two forces 4 N and 3 N at right angles to each other. The kinetic energy of the body at the end of 10 s is
