.......................................................................... 169
Masala yechish namunalari
......................................................................... 169
Mustaqil yechish uchun masalalar
............................................................. 174
I I I b o b . ISH, QUW AT VA ENERGIYA........................................... 175
53- §. Mexanik ish va uning birliklari....................................................... 175
54- §. Quwat va uning birliklari................................................................. 177
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