What is a horsepower? How many horses would it take to power your car?
- Horsepower is the unit that measures the power of engines.
- Horsepower was devised by the engineer James Watt.
- Different engines need different horsepower to run.
Unit that measures the power of engines
Devised by Scottish engineer James Watt
He decided the power needed for
1 horse to lift 15,000 kg
A distance of 30 cm in 1 minute
= 1 horsepower
Think how much horsepower it would take to run a...
15 horsepower ...
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