We all are familiar with the word 'work'. We do a lot of work every day.
Eg: Imagine you tried to push a rock and the rock does not move. Have u done any work? Think of other such examples from your surroundings.
In this module explore the meaning of "work" in science terminology.
Work done = Force(F) x Displacement (S),
The SI unit of work done = Newton (N) X meter (m) = Joule (J)
Yes, when displacement occurs in direction of force, it is positive work done,
when displacement occurs opposite to the direction of force-it is negative work done.
Energy is the capability of doing work.
"Energy can neither be created nor be destroyed, but can be converted from one form to another.
e.g. Sun is prime source of energy and its energy is converted to different forms" .
Find out the various techniques to conserve the non-renewable energy resources- coal, petroleum, natural gas, nuclear energy by using renewable energy - solar energy, wind energy, ocean energy, geothermal energy .
By encouraging conservation, increasing investments in clean, renewable sources of energy, and promoting increased domestic production of oil and gas, we can build a more secure future for our country.
A SmartTest on Work and Energy
Learnhive Lesson on Work and Energy