Rating Newest Oldest. Best Answer: In physics terms, horsepower is used to measure the amount of work done. Work done is the mathematical expression of force x distance x time and is typically in ft/lbs/mins (Imperial) or Newton/Meters/mins (Metric). Horsepower was first coined by James Watt to measure the output of his new steam engines.
Okay the average age for a gymnast in the olympics is around 15-16 years old and most gymnasts retire at the age of 20, cause its an extremely tough sport to compete with younger gymnasts.
The average gym member is older than you might think. Take a visit to your local gym and you're likely to see a fair number of young people, but they're not alone in their desire to improve their physiques. In fact, the average age of gym members as of 2010 was just over 40 years old.