Respuesta :
Answer:
146.826 KPa
Explanation:
Given:
The mass of the piston = 3.2 kg
Cross-sectional area = 35 cm²
Force exerted by the spring = 110 N
Atmospheric pressure = 95 KPa
Now,
the total pressure inside the cylinder is the sum of all the pressure exerted on it i,e the pressure due the weight of the piston, pressure due to the force by the spring and the atmospheric pressure.
Now,
the pressure due to the weight of the piston = Weight / Area
= 3.2× 9.81 / 0.0035
= 31.392 / 0.0035
= 8969 Pa
= 8.969 KPa
And,
The pressure by the spring = 150 N / 0.0035
or
The pressure by the spring = 42,857 Pa = 42.857 KPa
Thus,
The total pressure
95 + 8.969 + 42.857 = 146.826 KPa
Pressure is the force applied perpendicular on the surface of the object per unit its area, where the force is distributed.
The pressure inside the cylinder is 146.826 k-Pa.
What is pressure?
Pressure is the force applied perpendicular on the surface of the object per unit its area, where the force is distributed.
Given information-
The mass of the piston is 3.2 kg.
The cross sectional area of he piston is 35 squared cm.
The force exerted by the spring is 110 N.
The atmospheric pressure is 95 k-Pa.
The pressure inside the cylinder is the sum of the all pressure applied on it.
The pressure which are applied inside the surface is atmospherics pressure, pressure due to the weight of the piston and the pressure applied by the spring.
Thus the total pressure inside the cylinder can be given as,
[tex]P_i=P_a+P_w+P_s\\P_i=95+\dfrac{3.2\times9.8}{0.0035}+\dfrac{150}{0.0035} \\P_i=146.826\rm\rm kPa[/tex]
Hence, the pressure inside the cylinder is 146.826 k-Pa.
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