The weight of air resting on a surface, divided by the area
of the surface ... described in units of force per unit area ...
is called air pressure.
If he keeps that pace he will be at the 34 yard line
Energy can be changed from one form to another, but it cannot be created or destroyed. ... This principle is referred to as the first law of thermodynamics or the law of energy conservation. The law applies to all systems both large and small, and, again, it states that energy cannot be created or destroyed.