In football players use force to attain a goal.

Forces are pushes and pulls.
They have magnitude and  direction.

How strong is the force?

The strength or  magnitude is a number with units.

In the United States the pound (lb) is a common unit of force.
The international unit of force is the Newton (N).

1 lb = 4.448N

Unit converter:  (Type a number into any cell.)

 lb (pound) =  N (Newton)