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F=Q
Q=m*g
F=50kg*10m/s^=500N
S=0,5m^
P=500N:0,5m^=1000Pa=1kPa
P=[50kg*10(m/s²)]/0.5m²=500N/0.5m²=1000 Pa=1kPa
[Pa]=[N/m²] [N]=kg*(m/s²) 9,81(m/s²) przyspieszenie ziemskie≈10(m/s²)
a wiec
P=[50kg*10(m/s²)]/0.5m²=500N/0.5m²=1000 Pa=1kPa