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ob体育app官网下载:滑轮组绳子股数n是多少怎么看

ob体育app官网下载48гҖҒеҠЁеҠӣиҮӮеӨ§дәҺйҳ»еҠӣиҮӮзҡ„жҳҜзңҒеҠӣжқжқҶ(еҠЁж»‘иҪ®жҳҜзңҒеҠӣжқжқҶ)49гҖҒе®ҡж»‘иҪ®зү№зӮ№:иғҪж”№еҸҳеҠӣзҡ„ж–№еҗ‘,дҪҶдёҚзңҒеҠӣеҠЁж»‘иҪ®зү№зӮ№:зңҒеҠӣ,дҪҶдёҚиғҪж”№еҸҳеҠӣзҡ„ж–№еҗ‘50гҖҒж»‘иҪ®з»„з»іеӯҗж®өж•°и¶ҠеӨҡob体育app官网下载:滑轮组绳子股数n是多少怎么看(еҰӮдҪ•зЎ®е®ҡж»‘иҪ®з»„зҡ„з»іеӯҗиӮЎж•°)жүҝжӢ…зү©йҮҚзҡ„з»іеӯҗж®өж•°е°ұжҳҜдёҺеҠЁж»‘иҪ®жҺҘи§Ұзҡ„з»іеӯҗж®өж•°гҖӮ

ob体育app官网下载:滑轮组绳子股数n是多少怎么看(еҰӮдҪ•зЎ®е®ҡж»‘иҪ®з»„зҡ„з»іеӯҗиӮЎж•°)


1、ж№жҚ®иЎЁжјеҲҶжһҗеңЁеӣҫдёӯз”»еҮәз»іеӯҗзҡ„з»•зәҝ.第дәҢж¬Ўе®һйӘҢдёӯжңүз”ЁеҠҹжҳҜ0.2J,иЎЁжјдёӯз©әзҷҪеӨ„зҡ„жңәжў°ж•ҲзҺҮдёә66.7%.иҜ•йўҳзӯ”жЎҲеңЁзәҝиҜҫзЁӢеҲҶжһҗ(1)зҹҘйҒ“й’©зҒдёҠеҚҮй«ҳеәҰе’ҢеҠЁеҠӣдҪңз”ЁзӮ№з§»еҠЁи·қзҰ»,ж№жҚ®s=nhжұӮ

2、иҜҙжҳҺжң¬д№ҰжҳҜдҫқжҚ®еӣҪ家ж•ҷиӮІйғЁгҖҠе…Ёж—ҘеҲ¶д№үеҠЎж•ҷиӮІзү©зҗҶиҜҫзЁӢжҮеҮҶгҖӢе’ҢжұҹиӢҸ科жҠҖеҮәзүҲзӨҫгҖҠд№үеҠЎж•ҷиӮІиҜҫзЁӢжҮеҮҶе®һйӘҢж•ҷ科д№ҰВ·зү©зҗҶгҖӢд№қе№ҙзә§дёҠеҶҢиҖҢзј–еҶҷзҡ„,дҫӣд№қе№ҙзә§з¬¬дёҖеӯҰжңҹдҪҝз”Ё

3、гҖҗи§Јзӯ”гҖ‘и§Ј:з”ұеӣҫеҸҜзҹҘ,еҗҠиө·еҠЁж»‘иҪ®зҡ„з»іеӯҗиӮЎж•°n=2,еҝҪз•ҘдёҖеҲҮж‘©ж“ҰеҠӣ,з”ұF=еҸҜзҹҘ,еҠЁж»‘иҪ®зҡ„йҮҚ:GеҠЁ=2Fп№ЈGзү©=2Г—200Nп№Ј360N=40NгҖӮж»‘иҪ®з»„зҡ„жңәжў°ж•ҲзҺҮ:О·==

4、гҖҗи§Јзӯ”гҖ‘и§Ј:з”ұеӣҫеҸҜзҹҘ,еҗҠиө·еҠЁж»‘иҪ®зҡ„з»іеӯҗиӮЎж•°n=2,еҝҪз•ҘдёҖеҲҮж‘©ж“ҰеҠӣ,з”ұF=еҸҜзҹҘ,еҠЁж»‘иҪ®зҡ„йҮҚ:GеҠЁ=2Fп№ЈGзү©=2Г—200Nп№Ј360N=40NгҖӮж»‘иҪ®з»„зҡ„жңәжў°ж•ҲзҺҮ:О·=

5、еҲқдёӯзү©зҗҶеҹәжң¬зү©зҗҶйҮҸгҖҒеёёж•°еҸҠе…¬ејҸдёҖгҖҒеҹәжң¬зү©зҗҶйҮҸ:

6、第дәҢдёӘеӣҫжңүдёӨдёӘеҠЁж»‘иҪ®пјҢз»іеӯҗзҡ„дёҖз«Ҝзі»еңЁдёҠж–№пјҢжүҖд»Ҙз»іеӯҗзҡ„иӮЎж•°жҳҜ2x2=4иӮЎгҖӮ第дёүдёӘеӣҫжңүдёӨдёӘеҠЁж»‘иҪ®пјҢз»іеӯҗзҡ„дёҖз«Ҝзі»еңЁдёӢж–№пјҢжүҖд»Ҙз»іеӯҗзҡ„иӮЎж•°жҳҜ2x2+1=5иӮЎгҖӮж»‘иҪ®з»„зҡ„з»•жі•пјҡиҰҒ

ob体育app官网下载:滑轮组绳子股数n是多少怎么看(еҰӮдҪ•зЎ®е®ҡж»‘иҪ®з»„зҡ„з»іеӯҗиӮЎж•°)


в‘Јз»„иЈ…ж»‘иҪ®з»„ж–№жі•:йҰ–е…Ҳж№жҚ®е…¬ејҸn=(Gзү©+GеҠЁ)/FжұӮеҮәз»іеӯҗзҡ„иӮЎж•°гҖӮ然еҗҺж№жҚ®вҖңеҘҮеҠЁеҒ¶е®ҡвҖқзҡ„еҺҹеҲҷгҖӮз»“еҗҲйўҳзӣ®зҡ„е…·дҪ“иҰҒжұӮз»„иЈ…ж»‘иҪ®гҖӮв—Ӣ5ж»‘иҪ®з»„зңҒеҠӣжғ…еҶө:еҮж®өз»іеӯҗжүҝжӢ…йҮҚзү©е’ҢеҠЁж»‘иҪ®зҡ„жҖ»йҮҚ,жҸҗиө·йҮҚзү©жүҖз”Ёob体育app官网下载:滑轮组绳子股数n是多少怎么看(еҰӮдҪ•зЎ®е®ҡж»‘иҪ®з»„зҡ„з»іеӯҗиӮЎж•°)AгҖҒеob体育app官网下载ӣҫз”ІдҪҝз”Ёзҡ„жҳҜеҠЁж»‘иҪ®,жүҝжӢ…зү©йҮҚзҡ„з»іеӯҗиӮЎж•°nз”І=2;еӣҫд№ҷдҪҝз”Ёзҡ„жҳҜж»‘иҪ®з»„,жүҝжӢ…зү©йҮҚзҡ„з»іеӯҗиӮЎж•°nд№ҷ=3;еӣдёәжӢүеҠӣз«Ҝ移еҠЁзҡ„и·қзҰ»s=nh,жүҖд»ҘжӢүеҠӣз«Ҝ移еҠЁзҡ„йҖҹеәҰзӯүдәҺзү©дҪ“еҚҮй«ҳйҖҹеәҰзҡ„nеҖҚ,е·ІзҹҘ