Предмет: Физика, автор: Катрит

Определив свой вес и площадь подошвы вашей обуви,вычислите , какое давление вы оказываете на пол.
Вес 49, размер обуви 39
450 клеточек

Ответы

Автор ответа: MashaPutnaj
0
дано m=49 кг   N=450   S1=25 мм2      P- ?

S=2*S1*N=2*25*10^-6*450=22,5*10^-3 м2 - площадь опоры дух ног

F=m*g=49*10=490 Н

P=F/S=490/22,5*10^-3=21,78 кПа
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