4 ms·
A quick little puzzle. What is the maximum weight an 80Kg man can lift using a simple pulley? [1] http://upload.wikimedia.org/wikipedia/commons/a/a3/Polea-simp
by niyazpk 17y ago
A quick little puzzle. What is the maximum weight an 80Kg man can lift using a simple pulley?
[1] http://upload.wikimedia.org/wikipedia/commons/a/a3/Polea-simple-fija.jpg http://upload.wikimedia.org/wikipedia/commons/a/a3/Polea-sim...