October 2018 1 40 Report
Donkrak hidrolik mempunyai penampang besar dan penampang kecil.luas penampang besar berukuran 20 kali luas penampang kecil.jika penampang kecil diberi gaya 25 N dongkrak hidrolik mampu mengangkat beban sebesar....N
a.500
b.250
c.125
d.50

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