The product PV where P is pressure and V is volume has the same unit as

Assessment: WAEC SSCE - Physics - 1991 (Objective) Subject: Physics

Question 1 Report

The product PV where P is pressure and V is volume has the same unit as
Answer Details
The unit of pressure is force per unit area, while the unit of volume is length cubed. Therefore, the product of pressure and volume is given by force times length cubed, which is equivalent to work, the amount of energy transferred when a force of one newton is applied over a distance of one meter. Therefore, the product PV has the same unit as work, which is joule (J).
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