Physics
Energy can exist in several forms and may change from one form to another. Give two examples to show the conversion of energy from one form to another.
Related Questions
Give one example to show the conversion of potential energy to kinetic energy when put in use.
State the energy changes that occur in the following:
(i) The unwinding of a watch spring.
(ii) Burning coal while operating a steam engine
(iii) Lighting of a torch bulb.
(iv) An electric generator (or dynamo).
Give one relevant example for each of the following transformations of energy:
(i) Electrical energy to heat energy
(ii) Electrical energy to mechanical energy
(iii) Electrical energy to light energy
(iv) Chemical energy to heat energy
(v) Chemical energy to light energy
What do you mean by conservation of mechanical energy? State the condition when it holds.