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理论力学C离线作业

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luation Warning : The document was created with Spire.PDF for .NET.\r™\r31 . ¥_d¦Br§ghiv¨už©ª«cABC ¬£4š›œ¥_- \r„A­®£.¨u¯£lg°¢ž±²³¥_´ª«gµ¢`c¶¬£\r·¸¹º`»A£lµ¢¼¦`»A£lµ¢¼B\r/:\r™\r32 .\r¥_g®½„1500 kg,dhir = 10 m/s‚u¾¿¿`3£gÀÁ\rÂÄ = 50 m4]¥_Äu¾¿3£l´¿«gµ¢4\r/0\rÅ = 5904 N9 % = 4704 N9& = 3 5 0 4 N\rR = 11.72 kN\r33 . ÈÉ/!g ® ½ „ /= 300 k g , mÊËhi„y = 8 m/s,ÌÍÎ\rhi„u = 2 m/s4]ÈÐ6 ´ÑÈÉÒÓ¢gÔ½4\r/0 / = 3 k N -S\r34 . Ö×Ø٣ڜ×bg¼Û£„"ÜÝÖ×g®½„10 k g , Þh\r„ % = 500 m/s, = 60°,`࣍ghi„á= 200 m/s4]Ö×\rØ 4£‡"£gAâlwx ã`mc¢gäÔ½4.\r/0åx = -0.5kNs, =-4.33 kN-s\r3 5 . æ瞩è®‘¡go½)o鋴Ÿê4go½ë4‘¡g®½\r脀m 3 a b) cìíîïðê4Ÿoñ h i è „ 4

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