How was wind energy harnessed traditionally?
to do mechanical work
to lift water
to grind food grains
all of these
Wind energy was harnessed by windmills in the past to do mechanical work.
How can a windmill be used to lift water from wells anf for grinding grains ?
State, in brief, the process of harnessing the kinetic energy of the wind to do work, mentions some limitations of harnessing wind energy on a large scale.
A Windmill utilises kinetic energy of air to do mechanical work.