D :
m = 20 dag = 0,2 kg
s = 20 cm * 40 cm = 800 cm^2
s = 0,08 m^2
Sz ;
p = ?
p = F / s
F = m * g
F = 0,2 kg * 10 m/s^2
F = 2 N
P = 2 N / 0,08 m^2
p = 25 Pa
m=20dag=0,2kg
g=10N/kg
S=20cm·40cm=0,2m·0,4m=0,08m²
p=F/S F=m·g
p=m·g/S p=(0,2kg·10N/kg):0,08m²=2N :0,08m²=25Pa
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D :
m = 20 dag = 0,2 kg
s = 20 cm * 40 cm = 800 cm^2
s = 0,08 m^2
Sz ;
p = ?
p = F / s
F = m * g
F = 0,2 kg * 10 m/s^2
F = 2 N
P = 2 N / 0,08 m^2
p = 25 Pa
m=20dag=0,2kg
g=10N/kg
S=20cm·40cm=0,2m·0,4m=0,08m²
p=F/S F=m·g
p=m·g/S p=(0,2kg·10N/kg):0,08m²=2N :0,08m²=25Pa