Odpowiedź:
zad 1
p=F/S
S=0.5m2
m= 20kg
F =m*g
g= 10m/s2 (przybliżeniu)
F= 20kg*10m/s2= 200N
p= 200N/0.5m2
p= 400 Pa
zad 2
p= F/S
F= 2.5 N
S1= 20cm2 = 0.002 m2
p= 2.5N/0.002m2
p= 1250Pa
zad 3
S=2m2
p=1000hPa= 100000Pa
Fn= S*p
Fn= 2m2*100000Pa= 200000N
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Odpowiedź:
zad 1
p=F/S
S=0.5m2
m= 20kg
F =m*g
g= 10m/s2 (przybliżeniu)
F= 20kg*10m/s2= 200N
p= 200N/0.5m2
p= 400 Pa
zad 2
p= F/S
F= 2.5 N
S1= 20cm2 = 0.002 m2
p= 2.5N/0.002m2
p= 1250Pa
zad 3
S=2m2
p=1000hPa= 100000Pa
Fn= S*p
Fn= 2m2*100000Pa= 200000N