9-АМАЛИЙ МАШГ`УЛОТ
Мавзу: Иш ва қувват.
1-масала. Горизонт билан бурчак ҳосил қилувчи қия текислик бо`йлаб массаси 2 т бо`лган юкни 5 м ко`тариш учун сарфланадиган минималь иш топилсин. Ишқаланиш коеффитсиенти ф=0,5.
Берилганлар:м=2т, ҳ=5м, , ф=0,5. ![](data:image/png;base64,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)
1-шакл.
Ечиш:С=2ҳ=10м
2-масала.5000 м3 сувни 3м баландликка ко`тариш учун қуввати 2 от кучига тенг бо`лган насос о`рнатилган. Агарда насоснинг фойдали иш коеффитсиенти 0,8 га тенг бо`лса, бу ишни бажариш учун қанча вақт керак бо`лади.
Берилганлар:В=5000 м3 ,ҳ=3м, Н=2от кучи, . т-?
Ечиш: Сувни ко`тариш учун сарф бо`ладиган иш
![](data:image/png;base64,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)
Двигателнинг фойдали қуввати
1 от кучи=75кг.м/с
Н8=2жнрехб=2·75=150 кг.м/с.
Насос ҳар секунда 120 кг.м иш бажарар экан.
,
2-масала. О`лчамлари шаклда ко`рсатилган АВСД бетон блокнинг массаси т=4000кг. УниА қирраси атрофида йиқитганда сарфланадиган иш топилсин.
Берилганлар:т=4000кг.
Ечиш: ҳ=4-3=1м,
2-шакл.
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