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प्रश्न
Fill in the blanks with suitable words:
When a ball is thrown upwards, ___________ energy is transformed into ___________ energy.
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उत्तर
When a ball is thrown upwards, kinetic energy is transformed into potential energy.
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संबंधित प्रश्न
What kind of energy is possessed by the following?
A compressed spring ____________.
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
Give two examples where a body possesses both, kinetic energy as well as potential energy.
A ball of mass 0.5 kg slows down from a speed of 5 m/s so that of 3 m/s. Calculate the change in kinetic energy of the ball. State your answer giving proper units.
Name the device which converts electrical energy into mechanical energy.
Name the device or machine which convert :
Mechanical energy into electrical energy.
Name the device or machine which convert :
Electrical energy into light energy.
Explain the transformation of energy in the following cases :
(i) A ball thrown upwards.
(ii) A stone dropped from the roof of a building.
In the case of negative work, the angle between the force and displacement is
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
