All In One Science

Book: All In One Science

Chapter: 14. Source of Energy

Subject: Physics - Class 10th

Q. No. 11 of Chapter Exercise

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Give a few examples of how our ancestors used the energy possessed by the wind and water.

In older days the energy of the wind was used for sailing purposes on a large scale as the wind used to drive the boat or raft in the direction of wind.

Water was used in water wheels which were used to grind the wheat into flour and also the water steam used in steam engine.

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