Question

# A gas enclosed in a cylinder has a pressure of 2.0×105Pa. The ends of the cylinder...

A gas enclosed in a cylinder has a pressure of 2.0×105Pa. The ends of the cylinder have a diameter of 0.40m and the cylinder has a height of 0.30m. The magnitude of the force exerted by the gas on the wall at one end of the cylinder is most nearly

a 7.5×10^3N

B 2.5×10^4N

C 7.5×104N

D 1.0×10^5N

exerted force, F = (Pressure)*(area on which pressure exerted)

= (2*10^5)*{(π/4)*(.4)^2}

= 25132.74 N

= 2.5*10^4 N

= (0ption B)

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