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प्रश्न
What kind of energy is possessed by the following?
A stone kept on roof-top _______________
उत्तर
A stone kept on a roof possesses gravitational potential energy because of its height from the ground.
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संबंधित प्रश्न
A ball is placed on a compressed spring. What form of energy does the spring possess? On releasing the spring, the ball flies away. Give a reason.
A ball of mass 0.20 kg is thrown vertically upwards with an initial velocity of 20 m s-1. Calculate the maximum potential energy it gains as it goes up.
What kind of energy is possessed by the following?
A running car ____________
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 or machine which convert :
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Name the device or machine which convert :
Electrical energy into light energy.
Name the device or machine which convert :
Chemical energy into heat energy.
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
Which one of the following is not the unit of energy?
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
