The formula to calculate the Vacuum Force (VF) is:
\[ VF = (AP - SP) \cdot A \]
Where:
A vacuum force is a force that acts on an object that is in a vacuum. In physics, a vacuum force can also be called a Casimir effect. The Casimir effect is the name for forces that arise from a quantized field. The vacuum force can be both attractive and repulsive. The Casimir effect has been used in the creation of tiny machines such as nanotubes or nanowires. A vacuum force is dictated by the vacuum area and the pressure differential between the system and ambient pressures.
Let's say the ambient pressure (AP) is 14.7 psi, the system pressure (SP) is 10 psi, and the effective vacuum area (A) is 5 in². Using the formula:
\[ VF = (14.7 - 10) \cdot 5 = 23.5 \text{ lbf} \]
So, the vacuum force (VF) is 23.5 lbf.
