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प्रश्न
A ball falls to the ground as shown below :
Which law you have made use of in answering this question?
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उत्तर
Law of conservation of energy is used in answering these questions.
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संबंधित प्रश्न
Does the transfer of energy take place when you push a huge rock with all your might and fail to move it? Where is the energy you spend going?
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Fill in the blank with suitable word :
The ability of a body to do work is called __________. The ability of a body to do work because of its motion is called __________.
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The sum of the potential and kinetic energies of a body is called __________ energy.
A stone is thrown upwards as shown in the diagram. When it reaches P, which of the following has the greatest value of the stone?
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Chemical energy into electrical energy.
Fill in the blanks with suitable words :
The principle of ___________ of energy says energy can be transformed from one form to another, but it cannot be ___________ or ___________.
Name the energy transfers which occur when : there is a picture on a television screen
Name the energy transfers which occur when : a torch is on
An object is falling freely from a height x. After it has fallen a height `pi/2` , it will possess :
