the atmospphere normally exerts a pressure of about 15 pounds per square inch on surfaces at sea level. about how much pressure does the atmosphere exert ona surface 30 square inches in area?
would it be 2pounds
15 pounds per square inch * 30 square inches =
450
15x30=450
15÷30=0.5
To find out how much pressure the atmosphere exerts on a surface of 30 square inches, you need to use the concept of pressure. Pressure is defined as force per unit area.
Given that the atmospheric pressure at sea level is about 15 pounds per square inch, we can calculate the total pressure exerted by the atmosphere on a surface of 30 square inches by multiplying the pressure per square inch by the area.
Pressure = Force/Area
In this case, the force is the pressure exerted per square inch, and the area is 30 square inches.
Pressure = 15 pounds per square inch * 30 square inches
Pressure = 450 pounds
Therefore, the atmosphere exerts a pressure of 450 pounds on a surface with an area of 30 square inches.