Предмет: Физика, автор: Cohed

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Команди з двох школярів змагалися у перетягуванні каната: Перша команда тягли канат в один бік із силами 500 і 400 Н, а а друга команда "— у протилежний із силами 430 і 480 Н. яка команда переможе?

а) Перша команда
б) Друга команда
в) Сили рівні​

Ответы

Автор ответа: zinovicgrigorij
1

Ответ: 10Н

Объяснение:

Дано:

F1=500Н

F2=400Н

F3=430Н

F4=480Н

----------------

R-?

R=(F1+F2)-(F3+F4)=(500+400)-(430+480)=-10Н

Победит вторая, команда. Равнодействующая равна 10Н и направлена в сторуну сил F3 и F4

F1                    F2                0  R                        F3                         F4

←------------------←-----------------|--→---------------------→-----------------------→

Автор ответа: oparagaglo
2
Переможе 2 команда
Б) Друга команда
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