Physics
What do you mean by conservation of mechanical energy? State the condition when it holds.
Related Questions
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.
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
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
State the changes in form of energy while producing hydro-electricity.