Homework Answers
If the piston head is stationary,
Force on the piston head due to atmospheric pressure = weight of the piston head
P * A = m* g
m= (P*A / g)
atmospheric pressure, P = 1.013 X105 N/m2
area of cross-section of the piston, A = (pi) * r2 = (3.14 * 0.0275 * 0.0275) = 2.3746 X10-3 m2
mass of the piston head, m = ( 1.013 X105 * 2.3746 X10-3 ) / 9.81 = 24.52 kg (ans)
Add Answer to:
ans : 24.6kg
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