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m = 300 kg
p = 1,5 m
l = 1 m
t = 0,5 m
Dit. P.............?
penyelesaian :
cari dulu :
Luas alas balok yakni:
A = p x l
A = 1,5 x 1
= 1,5 m²
Gaya yang bekerja yakni :
F = W = m x g = 300 x 10 = 3000 Newton
maka, Tekanan :
P = F/A = 3000/1,5 = 2000 Pascal
dit. P?
jwb: P=F/A
A =1.5*1=1.5m2
P= 300*10/1.5=2000N/m2