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.
1 Be able to dance: Almost all NBA cheerleaders are dancers. 2  Be 21 years of age: There are generally no height or weight requirements (see below), but you must be 21 in order to try out for a NBA dance squad.