The magnitude of the moment of a force acting about a point or axis is directly proportinoal to the distance of the force from the point or axis. It is defined as the product of the force (F) and the moment arm (d).
The student athlete child between the ages of 9 and 13 should consume between 2,000 and 2,600 calories, and if they are between 14 and 18 they should consume between 2,800 and 3,200 calories. It is also important that the types of calories the athlete consumes are balanced between carbohydrates, proteins, and fats.
According to the University of Washington, eating 10 calories for each pound of your desirable body weight is appropriate. For example, a 200-pound woman with a goal weight of 140 pounds should aim to eat 1,400 calories a day. A 200-pound man who wants to weigh 180 pounds may require about 1,800 calories daily.