Р1=800Н
Р2=500Н
-----------
Pобщ-?
Pобщ=P1+P2=800+500=1300Н=1.3 кН
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Р1=800Н
Р2=500Н
-----------
Pобщ-?
Pобщ=P1+P2=800+500=1300Н=1.3 кН