oblicz jakie ciśnienie wywiera uczeń o masie 120 kg na blat krzesła wymiarach 40x40 cm
m=120kg
g=10N/kg
a=40cm=0,4m
p=FN:S
FN=m*g
S=a^2
FN=120kg*10N/kg
FN=1200N
S= (0,4m)^2=0,16m^2
p=1200N:0,16m^2=7500Pa=75hPa
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
m=120kg
g=10N/kg
a=40cm=0,4m
p=FN:S
FN=m*g
S=a^2
FN=120kg*10N/kg
FN=1200N
S= (0,4m)^2=0,16m^2
p=1200N:0,16m^2=7500Pa=75hPa