Units of Measurement 00:53 TechiZoo General Knowledge, Physics, Science No comments Everyday Science Mcqs Units of Measurement 1 horse power is 745.7 watts • 1 horse power = work equal to lifting 550 lbs of weight to one foot for one second • 1 calorie is equal to 4.2 Joules •... Read More Share This: Facebook Twitter Google+ Stumble Digg