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प्रश्न
What type of energy is possessed : by the piece of stone which is thrown away on releasing the stretched rubber strings of catapult?
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उत्तर
The stone possesses kinetic energy because on releasing the rubber string of the catapult, potential energy of the rubber string is transformed into the kinetic energy of the stone thrown.
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संबंधित प्रश्न
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
What type of energy is possessed : by the stretched rubber strings of a catapult?
What are the various forms of energy?
Name the device or machine which convert :
Mechanical energy into electrical energy.
Name the device or machine which convert :
Electrical energy into sound energy.
How much electrical energy in joules does a 100 watt lamp consume : in 1 minute?
Write the energy transformations which take place in an electric bulb (or electric lamp).
Name the energy transfers which occur when : there is a picture on a television screen
A ball falls to the ground as shown below :
What is the potential energy of ball at B?
A body of mass 10 kg falls from a height of 20 m to 8 m. Calculate:
- the loss in potential energy of the body, and
- the total energy possessed by the body at any instant? (Take g = 10 m s-2)
