F1 = 15Н
F2 = 18Н
F3 = 2Н
Fr = -15Н + 18Н + 2Н = 5Н
Ответ: Fr = 5Н.
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Verified answer
F1 = 15Н
F2 = 18Н
F3 = 2Н
Fr = -15Н + 18Н + 2Н = 5Н
Ответ: Fr = 5Н.