Physics
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Related Questions
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.
State the changes in form of energy while producing hydro-electricity.
A truck starts from rest on a plane road. What are the possible energy changes taking place while the truck is in motion?